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Finding the Fourth Proportional to 8,988.57, 13,483.77 and 2,414.81

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Solution

The fourth proportional to 8,988.57, 13,483.77 and 2,414.81 is: 3,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.57 : 13,483.77 = 2,414.81 : x
  2. Step 2: Convert to fraction form
    8,988.57/13,483.77 = 2,414.81/x
  3. Step 3: Cross multiply
    8,988.57x = 13,483.77 × 2,414.81
  4. Step 4: Simplify right side
    8,988.57x = 32,560,767.29
  5. Step 5: Solve for x
    x = 32,560,767.29/8,988.57
  6. Step 6: Final answer
    x = 3,622.46

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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.