Home / 7,545.64-11,306.16-3,842.80

Finding the Fourth Proportional to 7,545.64, 11,306.16 and 3,842.80

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Solution

The fourth proportional to 7,545.64, 11,306.16 and 3,842.80 is: 5,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.64 : 11,306.16 = 3,842.80 : x
  2. Step 2: Convert to fraction form
    7,545.64/11,306.16 = 3,842.80/x
  3. Step 3: Cross multiply
    7,545.64x = 11,306.16 × 3,842.80
  4. Step 4: Simplify right side
    7,545.64x = 43,447,311.65
  5. Step 5: Solve for x
    x = 43,447,311.65/7,545.64
  6. Step 6: Final answer
    x = 5,757.94

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1.5x scale

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.