Home / 7,543.85-11,315.92-2,613.65

Finding the Fourth Proportional to 7,543.85, 11,315.92 and 2,613.65

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Solution

The fourth proportional to 7,543.85, 11,315.92 and 2,613.65 is: 3,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.85 : 11,315.92 = 2,613.65 : x
  2. Step 2: Convert to fraction form
    7,543.85/11,315.92 = 2,613.65/x
  3. Step 3: Cross multiply
    7,543.85x = 11,315.92 × 2,613.65
  4. Step 4: Simplify right side
    7,543.85x = 29,575,859.75
  5. Step 5: Solve for x
    x = 29,575,859.75/7,543.85
  6. Step 6: Final answer
    x = 3,920.53

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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.