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Finding the Fourth Proportional to 7,133.44, 9,841.92 and 4,337.92

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Solution

The fourth proportional to 7,133.44, 9,841.92 and 4,337.92 is: 5,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.44 : 9,841.92 = 4,337.92 : x
  2. Step 2: Convert to fraction form
    7,133.44/9,841.92 = 4,337.92/x
  3. Step 3: Cross multiply
    7,133.44x = 9,841.92 × 4,337.92
  4. Step 4: Simplify right side
    7,133.44x = 42,693,461.61
  5. Step 5: Solve for x
    x = 42,693,461.61/7,133.44
  6. Step 6: Final answer
    x = 5,984.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.