Home / 6,387.76-9,565.59-4,040.69

Finding the Fourth Proportional to 6,387.76, 9,565.59 and 4,040.69

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Solution

The fourth proportional to 6,387.76, 9,565.59 and 4,040.69 is: 6,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.76 : 9,565.59 = 4,040.69 : x
  2. Step 2: Convert to fraction form
    6,387.76/9,565.59 = 4,040.69/x
  3. Step 3: Cross multiply
    6,387.76x = 9,565.59 × 4,040.69
  4. Step 4: Simplify right side
    6,387.76x = 38,651,551.18
  5. Step 5: Solve for x
    x = 38,651,551.18/6,387.76
  6. Step 6: Final answer
    x = 6,050.88

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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.