Home / 5,130.27-7,695.47-1,432.28

Finding the Fourth Proportional to 5,130.27, 7,695.47 and 1,432.28

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Solution

The fourth proportional to 5,130.27, 7,695.47 and 1,432.28 is: 2,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.27 : 7,695.47 = 1,432.28 : x
  2. Step 2: Convert to fraction form
    5,130.27/7,695.47 = 1,432.28/x
  3. Step 3: Cross multiply
    5,130.27x = 7,695.47 × 1,432.28
  4. Step 4: Simplify right side
    5,130.27x = 11,022,067.77
  5. Step 5: Solve for x
    x = 11,022,067.77/5,130.27
  6. Step 6: Final answer
    x = 2,148.44

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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.