Home / 6,553.50-9,031.20-4,191.54

Finding the Fourth Proportional to 6,553.50, 9,031.20 and 4,191.54

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Solution

The fourth proportional to 6,553.50, 9,031.20 and 4,191.54 is: 5,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.50 : 9,031.20 = 4,191.54 : x
  2. Step 2: Convert to fraction form
    6,553.50/9,031.20 = 4,191.54/x
  3. Step 3: Cross multiply
    6,553.50x = 9,031.20 × 4,191.54
  4. Step 4: Simplify right side
    6,553.50x = 37,854,636.05
  5. Step 5: Solve for x
    x = 37,854,636.05/6,553.50
  6. Step 6: Final answer
    x = 5,776.25

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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.