Home / 9,035.20-12,456.30-6,342.76

Finding the Fourth Proportional to 9,035.20, 12,456.30 and 6,342.76

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Solution

The fourth proportional to 9,035.20, 12,456.30 and 6,342.76 is: 8,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.20 : 12,456.30 = 6,342.76 : x
  2. Step 2: Convert to fraction form
    9,035.20/12,456.30 = 6,342.76/x
  3. Step 3: Cross multiply
    9,035.20x = 12,456.30 × 6,342.76
  4. Step 4: Simplify right side
    9,035.20x = 79,007,321.39
  5. Step 5: Solve for x
    x = 79,007,321.39/9,035.20
  6. Step 6: Final answer
    x = 8,744.39

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Half 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.