Home / 5,250.83-7,881.12-2,655.59

Finding the Fourth Proportional to 5,250.83, 7,881.12 and 2,655.59

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Solution

The fourth proportional to 5,250.83, 7,881.12 and 2,655.59 is: 3,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.83 : 7,881.12 = 2,655.59 : x
  2. Step 2: Convert to fraction form
    5,250.83/7,881.12 = 2,655.59/x
  3. Step 3: Cross multiply
    5,250.83x = 7,881.12 × 2,655.59
  4. Step 4: Simplify right side
    5,250.83x = 20,929,023.46
  5. Step 5: Solve for x
    x = 20,929,023.46/5,250.83
  6. Step 6: Final answer
    x = 3,985.85

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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.