Home / 4,737.28-7,108.98-2,140.22

Finding the Fourth Proportional to 4,737.28, 7,108.98 and 2,140.22

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Solution

The fourth proportional to 4,737.28, 7,108.98 and 2,140.22 is: 3,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.28 : 7,108.98 = 2,140.22 : x
  2. Step 2: Convert to fraction form
    4,737.28/7,108.98 = 2,140.22/x
  3. Step 3: Cross multiply
    4,737.28x = 7,108.98 × 2,140.22
  4. Step 4: Simplify right side
    4,737.28x = 15,214,781.18
  5. Step 5: Solve for x
    x = 15,214,781.18/4,737.28
  6. Step 6: Final answer
    x = 3,211.71

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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.