Home / 8,442.48-12,659.28-4,933.68

Finding the Fourth Proportional to 8,442.48, 12,659.28 and 4,933.68

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Solution

The fourth proportional to 8,442.48, 12,659.28 and 4,933.68 is: 7,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.48 : 12,659.28 = 4,933.68 : x
  2. Step 2: Convert to fraction form
    8,442.48/12,659.28 = 4,933.68/x
  3. Step 3: Cross multiply
    8,442.48x = 12,659.28 × 4,933.68
  4. Step 4: Simplify right side
    8,442.48x = 62,456,836.55
  5. Step 5: Solve for x
    x = 62,456,836.55/8,442.48
  6. Step 6: Final answer
    x = 7,397.93

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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.