Home / 6,119.19-8,444.69-3,430.53

Finding the Fourth Proportional to 6,119.19, 8,444.69 and 3,430.53

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Solution

The fourth proportional to 6,119.19, 8,444.69 and 3,430.53 is: 4,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.19 : 8,444.69 = 3,430.53 : x
  2. Step 2: Convert to fraction form
    6,119.19/8,444.69 = 3,430.53/x
  3. Step 3: Cross multiply
    6,119.19x = 8,444.69 × 3,430.53
  4. Step 4: Simplify right side
    6,119.19x = 28,969,762.39
  5. Step 5: Solve for x
    x = 28,969,762.39/6,119.19
  6. Step 6: Final answer
    x = 4,734.25

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Half scale
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Double scale
Find fourth proportional to 6,120.19, 8,446.07 and 3,431.53
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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.