Home / 8,062.08-11,129.28-4,919.52

Finding the Fourth Proportional to 8,062.08, 11,129.28 and 4,919.52

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Solution

The fourth proportional to 8,062.08, 11,129.28 and 4,919.52 is: 6,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.08 : 11,129.28 = 4,919.52 : x
  2. Step 2: Convert to fraction form
    8,062.08/11,129.28 = 4,919.52/x
  3. Step 3: Cross multiply
    8,062.08x = 11,129.28 × 4,919.52
  4. Step 4: Simplify right side
    8,062.08x = 54,750,715.55
  5. Step 5: Solve for x
    x = 54,750,715.55/8,062.08
  6. Step 6: Final answer
    x = 6,791.14

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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.