Home / 8,442.27-11,651.00-4,665.78

Finding the Fourth Proportional to 8,442.27, 11,651.00 and 4,665.78

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Solution

The fourth proportional to 8,442.27, 11,651.00 and 4,665.78 is: 6,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.27 : 11,651.00 = 4,665.78 : x
  2. Step 2: Convert to fraction form
    8,442.27/11,651.00 = 4,665.78/x
  3. Step 3: Cross multiply
    8,442.27x = 11,651.00 × 4,665.78
  4. Step 4: Simplify right side
    8,442.27x = 54,360,979.45
  5. Step 5: Solve for x
    x = 54,360,979.45/8,442.27
  6. Step 6: Final answer
    x = 6,439.14

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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.