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Finding the Fourth Proportional to 6,659.66, 9,988.92 and 3,737.18

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Solution

The fourth proportional to 6,659.66, 9,988.92 and 3,737.18 is: 5,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.66 : 9,988.92 = 3,737.18 : x
  2. Step 2: Convert to fraction form
    6,659.66/9,988.92 = 3,737.18/x
  3. Step 3: Cross multiply
    6,659.66x = 9,988.92 × 3,737.18
  4. Step 4: Simplify right side
    6,659.66x = 37,330,392.05
  5. Step 5: Solve for x
    x = 37,330,392.05/6,659.66
  6. Step 6: Final answer
    x = 5,605.45

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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.