Home / 9,342.28-12,897.62-6,202.76

Finding the Fourth Proportional to 9,342.28, 12,897.62 and 6,202.76

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Solution

The fourth proportional to 9,342.28, 12,897.62 and 6,202.76 is: 8,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.28 : 12,897.62 = 6,202.76 : x
  2. Step 2: Convert to fraction form
    9,342.28/12,897.62 = 6,202.76/x
  3. Step 3: Cross multiply
    9,342.28x = 12,897.62 × 6,202.76
  4. Step 4: Simplify right side
    9,342.28x = 80,000,841.43
  5. Step 5: Solve for x
    x = 80,000,841.43/9,342.28
  6. Step 6: Final answer
    x = 8,563.31

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Half scale
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Double scale
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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.