Home / 5,402.20-8,087.10-4,754.20

Finding the Fourth Proportional to 5,402.20, 8,087.10 and 4,754.20

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Solution

The fourth proportional to 5,402.20, 8,087.10 and 4,754.20 is: 7,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.20 : 8,087.10 = 4,754.20 : x
  2. Step 2: Convert to fraction form
    5,402.20/8,087.10 = 4,754.20/x
  3. Step 3: Cross multiply
    5,402.20x = 8,087.10 × 4,754.20
  4. Step 4: Simplify right side
    5,402.20x = 38,447,690.82
  5. Step 5: Solve for x
    x = 38,447,690.82/5,402.20
  6. Step 6: Final answer
    x = 7,117.04

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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.