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Finding the Fourth Proportional to 8,503.88, 12,757.14 and 4,341.63

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Solution

The fourth proportional to 8,503.88, 12,757.14 and 4,341.63 is: 6,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.88 : 12,757.14 = 4,341.63 : x
  2. Step 2: Convert to fraction form
    8,503.88/12,757.14 = 4,341.63/x
  3. Step 3: Cross multiply
    8,503.88x = 12,757.14 × 4,341.63
  4. Step 4: Simplify right side
    8,503.88x = 55,386,781.74
  5. Step 5: Solve for x
    x = 55,386,781.74/8,503.88
  6. Step 6: Final answer
    x = 6,513.12

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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.