Home / 8,330.28-12,495.64-3,647.87

Finding the Fourth Proportional to 8,330.28, 12,495.64 and 3,647.87

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Solution

The fourth proportional to 8,330.28, 12,495.64 and 3,647.87 is: 5,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.28 : 12,495.64 = 3,647.87 : x
  2. Step 2: Convert to fraction form
    8,330.28/12,495.64 = 3,647.87/x
  3. Step 3: Cross multiply
    8,330.28x = 12,495.64 × 3,647.87
  4. Step 4: Simplify right side
    8,330.28x = 45,582,470.29
  5. Step 5: Solve for x
    x = 45,582,470.29/8,330.28
  6. Step 6: Final answer
    x = 5,471.90

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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.