Home / 7,613.53-11,398.42-5,625.79

Finding the Fourth Proportional to 7,613.53, 11,398.42 and 5,625.79

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Solution

The fourth proportional to 7,613.53, 11,398.42 and 5,625.79 is: 8,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.53 : 11,398.42 = 5,625.79 : x
  2. Step 2: Convert to fraction form
    7,613.53/11,398.42 = 5,625.79/x
  3. Step 3: Cross multiply
    7,613.53x = 11,398.42 × 5,625.79
  4. Step 4: Simplify right side
    7,613.53x = 64,125,117.25
  5. Step 5: Solve for x
    x = 64,125,117.25/7,613.53
  6. Step 6: Final answer
    x = 8,422.52

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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.