Home / 4,387.11-6,565.02-3,515.21

Finding the Fourth Proportional to 4,387.11, 6,565.02 and 3,515.21

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Solution

The fourth proportional to 4,387.11, 6,565.02 and 3,515.21 is: 5,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.11 : 6,565.02 = 3,515.21 : x
  2. Step 2: Convert to fraction form
    4,387.11/6,565.02 = 3,515.21/x
  3. Step 3: Cross multiply
    4,387.11x = 6,565.02 × 3,515.21
  4. Step 4: Simplify right side
    4,387.11x = 23,077,423.95
  5. Step 5: Solve for x
    x = 23,077,423.95/4,387.11
  6. Step 6: Final answer
    x = 5,260.28

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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.