Home / 6,515.11-9,772.52-1,584.78

Finding the Fourth Proportional to 6,515.11, 9,772.52 and 1,584.78

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Solution

The fourth proportional to 6,515.11, 9,772.52 and 1,584.78 is: 2,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.11 : 9,772.52 = 1,584.78 : x
  2. Step 2: Convert to fraction form
    6,515.11/9,772.52 = 1,584.78/x
  3. Step 3: Cross multiply
    6,515.11x = 9,772.52 × 1,584.78
  4. Step 4: Simplify right side
    6,515.11x = 15,487,294.25
  5. Step 5: Solve for x
    x = 15,487,294.25/6,515.11
  6. Step 6: Final answer
    x = 2,377.13

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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.