Home / 5,487.24-7,570.14-3,387.72

Finding the Fourth Proportional to 5,487.24, 7,570.14 and 3,387.72

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Solution

The fourth proportional to 5,487.24, 7,570.14 and 3,387.72 is: 4,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.24 : 7,570.14 = 3,387.72 : x
  2. Step 2: Convert to fraction form
    5,487.24/7,570.14 = 3,387.72/x
  3. Step 3: Cross multiply
    5,487.24x = 7,570.14 × 3,387.72
  4. Step 4: Simplify right side
    5,487.24x = 25,645,514.68
  5. Step 5: Solve for x
    x = 25,645,514.68/5,487.24
  6. Step 6: Final answer
    x = 4,673.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.