Home / 5,553.47-8,320.97-3,906.56

Finding the Fourth Proportional to 5,553.47, 8,320.97 and 3,906.56

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Solution

The fourth proportional to 5,553.47, 8,320.97 and 3,906.56 is: 5,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.47 : 8,320.97 = 3,906.56 : x
  2. Step 2: Convert to fraction form
    5,553.47/8,320.97 = 3,906.56/x
  3. Step 3: Cross multiply
    5,553.47x = 8,320.97 × 3,906.56
  4. Step 4: Simplify right side
    5,553.47x = 32,506,399.13
  5. Step 5: Solve for x
    x = 32,506,399.13/5,553.47
  6. Step 6: Final answer
    x = 5,853.35

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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.