Home / 5,001.52-7,504.08-3,146.80

Finding the Fourth Proportional to 5,001.52, 7,504.08 and 3,146.80

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Solution

The fourth proportional to 5,001.52, 7,504.08 and 3,146.80 is: 4,721.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.52 : 7,504.08 = 3,146.80 : x
  2. Step 2: Convert to fraction form
    5,001.52/7,504.08 = 3,146.80/x
  3. Step 3: Cross multiply
    5,001.52x = 7,504.08 × 3,146.80
  4. Step 4: Simplify right side
    5,001.52x = 23,613,838.94
  5. Step 5: Solve for x
    x = 23,613,838.94/5,001.52
  6. Step 6: Final answer
    x = 4,721.33

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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.