Home / 8,722.30-12,036.26-4,743.38

Finding the Fourth Proportional to 8,722.30, 12,036.26 and 4,743.38

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Solution

The fourth proportional to 8,722.30, 12,036.26 and 4,743.38 is: 6,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.30 : 12,036.26 = 4,743.38 : x
  2. Step 2: Convert to fraction form
    8,722.30/12,036.26 = 4,743.38/x
  3. Step 3: Cross multiply
    8,722.30x = 12,036.26 × 4,743.38
  4. Step 4: Simplify right side
    8,722.30x = 57,092,554.96
  5. Step 5: Solve for x
    x = 57,092,554.96/8,722.30
  6. Step 6: Final answer
    x = 6,545.58

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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.