Home / 7,613.40-11,417.91-2,933.04

Finding the Fourth Proportional to 7,613.40, 11,417.91 and 2,933.04

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Solution

The fourth proportional to 7,613.40, 11,417.91 and 2,933.04 is: 4,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.40 : 11,417.91 = 2,933.04 : x
  2. Step 2: Convert to fraction form
    7,613.40/11,417.91 = 2,933.04/x
  3. Step 3: Cross multiply
    7,613.40x = 11,417.91 × 2,933.04
  4. Step 4: Simplify right side
    7,613.40x = 33,489,186.75
  5. Step 5: Solve for x
    x = 33,489,186.75/7,613.40
  6. Step 6: Final answer
    x = 4,398.72

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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.