Home / 8,397.90-12,594.87-3,715.35

Finding the Fourth Proportional to 8,397.90, 12,594.87 and 3,715.35

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Solution

The fourth proportional to 8,397.90, 12,594.87 and 3,715.35 is: 5,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.90 : 12,594.87 = 3,715.35 : x
  2. Step 2: Convert to fraction form
    8,397.90/12,594.87 = 3,715.35/x
  3. Step 3: Cross multiply
    8,397.90x = 12,594.87 × 3,715.35
  4. Step 4: Simplify right side
    8,397.90x = 46,794,350.25
  5. Step 5: Solve for x
    x = 46,794,350.25/8,397.90
  6. Step 6: Final answer
    x = 5,572.15

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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.