Home / 7,630.36-11,458.25-5,147.53

Finding the Fourth Proportional to 7,630.36, 11,458.25 and 5,147.53

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Solution

The fourth proportional to 7,630.36, 11,458.25 and 5,147.53 is: 7,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.36 : 11,458.25 = 5,147.53 : x
  2. Step 2: Convert to fraction form
    7,630.36/11,458.25 = 5,147.53/x
  3. Step 3: Cross multiply
    7,630.36x = 11,458.25 × 5,147.53
  4. Step 4: Simplify right side
    7,630.36x = 58,981,675.53
  5. Step 5: Solve for x
    x = 58,981,675.53/7,630.36
  6. Step 6: Final answer
    x = 7,729.86

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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.