Home / 7,542.72-11,315.32-2,347.38

Finding the Fourth Proportional to 7,542.72, 11,315.32 and 2,347.38

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Solution

The fourth proportional to 7,542.72, 11,315.32 and 2,347.38 is: 3,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.72 : 11,315.32 = 2,347.38 : x
  2. Step 2: Convert to fraction form
    7,542.72/11,315.32 = 2,347.38/x
  3. Step 3: Cross multiply
    7,542.72x = 11,315.32 × 2,347.38
  4. Step 4: Simplify right side
    7,542.72x = 26,561,355.86
  5. Step 5: Solve for x
    x = 26,561,355.86/7,542.72
  6. Step 6: Final answer
    x = 3,521.46

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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.