Home / 5,353.15-8,031.12-2,232.13

Finding the Fourth Proportional to 5,353.15, 8,031.12 and 2,232.13

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Solution

The fourth proportional to 5,353.15, 8,031.12 and 2,232.13 is: 3,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.15 : 8,031.12 = 2,232.13 : x
  2. Step 2: Convert to fraction form
    5,353.15/8,031.12 = 2,232.13/x
  3. Step 3: Cross multiply
    5,353.15x = 8,031.12 × 2,232.13
  4. Step 4: Simplify right side
    5,353.15x = 17,926,503.89
  5. Step 5: Solve for x
    x = 17,926,503.89/5,353.15
  6. Step 6: Final answer
    x = 3,348.78

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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.