Home / 5,424.52-8,139.28-2,955.64

Finding the Fourth Proportional to 5,424.52, 8,139.28 and 2,955.64

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Solution

The fourth proportional to 5,424.52, 8,139.28 and 2,955.64 is: 4,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.52 : 8,139.28 = 2,955.64 : x
  2. Step 2: Convert to fraction form
    5,424.52/8,139.28 = 2,955.64/x
  3. Step 3: Cross multiply
    5,424.52x = 8,139.28 × 2,955.64
  4. Step 4: Simplify right side
    5,424.52x = 24,056,781.54
  5. Step 5: Solve for x
    x = 24,056,781.54/5,424.52
  6. Step 6: Final answer
    x = 4,434.82

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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.