Home / 7,546.30-11,306.61-4,909.78

Finding the Fourth Proportional to 7,546.30, 11,306.61 and 4,909.78

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Solution

The fourth proportional to 7,546.30, 11,306.61 and 4,909.78 is: 7,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.30 : 11,306.61 = 4,909.78 : x
  2. Step 2: Convert to fraction form
    7,546.30/11,306.61 = 4,909.78/x
  3. Step 3: Cross multiply
    7,546.30x = 11,306.61 × 4,909.78
  4. Step 4: Simplify right side
    7,546.30x = 55,512,967.65
  5. Step 5: Solve for x
    x = 55,512,967.65/7,546.30
  6. Step 6: Final answer
    x = 7,356.32

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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.