Home / 6,108.75-8,430.08-3,314.25

Finding the Fourth Proportional to 6,108.75, 8,430.08 and 3,314.25

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Solution

The fourth proportional to 6,108.75, 8,430.08 and 3,314.25 is: 4,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.75 : 8,430.08 = 3,314.25 : x
  2. Step 2: Convert to fraction form
    6,108.75/8,430.08 = 3,314.25/x
  3. Step 3: Cross multiply
    6,108.75x = 8,430.08 × 3,314.25
  4. Step 4: Simplify right side
    6,108.75x = 27,939,376.07
  5. Step 5: Solve for x
    x = 27,939,376.07/6,108.75
  6. Step 6: Final answer
    x = 4,573.67

Related Problems

Find fourth proportional to 3,054.38, 4,215.04 and 1,657.13
Half scale
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Double scale
Find fourth proportional to 6,109.75, 8,431.46 and 3,315.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.