Home / 8,722.24-12,036.66-4,743.28

Finding the Fourth Proportional to 8,722.24, 12,036.66 and 4,743.28

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Solution

The fourth proportional to 8,722.24, 12,036.66 and 4,743.28 is: 6,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.24 : 12,036.66 = 4,743.28 : x
  2. Step 2: Convert to fraction form
    8,722.24/12,036.66 = 4,743.28/x
  3. Step 3: Cross multiply
    8,722.24x = 12,036.66 × 4,743.28
  4. Step 4: Simplify right side
    8,722.24x = 57,093,248.64
  5. Step 5: Solve for x
    x = 57,093,248.64/8,722.24
  6. Step 6: Final answer
    x = 6,545.71

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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.