Home / 5,019.20-7,531.68-4,163.84

Finding the Fourth Proportional to 5,019.20, 7,531.68 and 4,163.84

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Solution

The fourth proportional to 5,019.20, 7,531.68 and 4,163.84 is: 6,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.20 : 7,531.68 = 4,163.84 : x
  2. Step 2: Convert to fraction form
    5,019.20/7,531.68 = 4,163.84/x
  3. Step 3: Cross multiply
    5,019.20x = 7,531.68 × 4,163.84
  4. Step 4: Simplify right side
    5,019.20x = 31,360,710.45
  5. Step 5: Solve for x
    x = 31,360,710.45/5,019.20
  6. Step 6: Final answer
    x = 6,248.15

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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.