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Finding the Fourth Proportional to 6,007.68, 8,989.60 and 3,543.68

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Solution

The fourth proportional to 6,007.68, 8,989.60 and 3,543.68 is: 5,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.68 : 8,989.60 = 3,543.68 : x
  2. Step 2: Convert to fraction form
    6,007.68/8,989.60 = 3,543.68/x
  3. Step 3: Cross multiply
    6,007.68x = 8,989.60 × 3,543.68
  4. Step 4: Simplify right side
    6,007.68x = 31,856,265.73
  5. Step 5: Solve for x
    x = 31,856,265.73/6,007.68
  6. Step 6: Final answer
    x = 5,302.59

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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.