Home / 5,005.91-7,542.65-4,147.51

Finding the Fourth Proportional to 5,005.91, 7,542.65 and 4,147.51

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Solution

The fourth proportional to 5,005.91, 7,542.65 and 4,147.51 is: 6,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.91 : 7,542.65 = 4,147.51 : x
  2. Step 2: Convert to fraction form
    5,005.91/7,542.65 = 4,147.51/x
  3. Step 3: Cross multiply
    5,005.91x = 7,542.65 × 4,147.51
  4. Step 4: Simplify right side
    5,005.91x = 31,283,243.88
  5. Step 5: Solve for x
    x = 31,283,243.88/5,005.91
  6. Step 6: Final answer
    x = 6,249.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.