Home / 8,330.20-12,495.30-3,396.76

Finding the Fourth Proportional to 8,330.20, 12,495.30 and 3,396.76

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Solution

The fourth proportional to 8,330.20, 12,495.30 and 3,396.76 is: 5,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.20 : 12,495.30 = 3,396.76 : x
  2. Step 2: Convert to fraction form
    8,330.20/12,495.30 = 3,396.76/x
  3. Step 3: Cross multiply
    8,330.20x = 12,495.30 × 3,396.76
  4. Step 4: Simplify right side
    8,330.20x = 42,443,535.23
  5. Step 5: Solve for x
    x = 42,443,535.23/8,330.20
  6. Step 6: Final answer
    x = 5,095.14

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Similar ratio
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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.