Home / 6,109.07-8,430.48-3,314.57

Finding the Fourth Proportional to 6,109.07, 8,430.48 and 3,314.57

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Solution

The fourth proportional to 6,109.07, 8,430.48 and 3,314.57 is: 4,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.07 : 8,430.48 = 3,314.57 : x
  2. Step 2: Convert to fraction form
    6,109.07/8,430.48 = 3,314.57/x
  3. Step 3: Cross multiply
    6,109.07x = 8,430.48 × 3,314.57
  4. Step 4: Simplify right side
    6,109.07x = 27,943,373.94
  5. Step 5: Solve for x
    x = 27,943,373.94/6,109.07
  6. Step 6: Final answer
    x = 4,574.08

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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.