Home / 5,456.80-7,532.04-3,218.52

Finding the Fourth Proportional to 5,456.80, 7,532.04 and 3,218.52

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Solution

The fourth proportional to 5,456.80, 7,532.04 and 3,218.52 is: 4,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.80 : 7,532.04 = 3,218.52 : x
  2. Step 2: Convert to fraction form
    5,456.80/7,532.04 = 3,218.52/x
  3. Step 3: Cross multiply
    5,456.80x = 7,532.04 × 3,218.52
  4. Step 4: Simplify right side
    5,456.80x = 24,242,021.38
  5. Step 5: Solve for x
    x = 24,242,021.38/5,456.80
  6. Step 6: Final answer
    x = 4,442.53

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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.