Home / 6,397.18-9,589.29-3,107.50

Finding the Fourth Proportional to 6,397.18, 9,589.29 and 3,107.50

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Solution

The fourth proportional to 6,397.18, 9,589.29 and 3,107.50 is: 4,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397.18 : 9,589.29 = 3,107.50 : x
  2. Step 2: Convert to fraction form
    6,397.18/9,589.29 = 3,107.50/x
  3. Step 3: Cross multiply
    6,397.18x = 9,589.29 × 3,107.50
  4. Step 4: Simplify right side
    6,397.18x = 29,798,718.68
  5. Step 5: Solve for x
    x = 29,798,718.68/6,397.18
  6. Step 6: Final answer
    x = 4,658.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.