Home / 5,124.20-7,688.10-4,944.20

Finding the Fourth Proportional to 5,124.20, 7,688.10 and 4,944.20

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Solution

The fourth proportional to 5,124.20, 7,688.10 and 4,944.20 is: 7,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.20 : 7,688.10 = 4,944.20 : x
  2. Step 2: Convert to fraction form
    5,124.20/7,688.10 = 4,944.20/x
  3. Step 3: Cross multiply
    5,124.20x = 7,688.10 × 4,944.20
  4. Step 4: Simplify right side
    5,124.20x = 38,011,504.02
  5. Step 5: Solve for x
    x = 38,011,504.02/5,124.20
  6. Step 6: Final answer
    x = 7,418.04

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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.