Home / 6,287.09-9,436.10-4,098.87

Finding the Fourth Proportional to 6,287.09, 9,436.10 and 4,098.87

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Solution

The fourth proportional to 6,287.09, 9,436.10 and 4,098.87 is: 6,151.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.09 : 9,436.10 = 4,098.87 : x
  2. Step 2: Convert to fraction form
    6,287.09/9,436.10 = 4,098.87/x
  3. Step 3: Cross multiply
    6,287.09x = 9,436.10 × 4,098.87
  4. Step 4: Simplify right side
    6,287.09x = 38,677,326.71
  5. Step 5: Solve for x
    x = 38,677,326.71/6,287.09
  6. Step 6: Final answer
    x = 6,151.87

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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.