Home / 4,211.28-6,320.82-2,132.76

Finding the Fourth Proportional to 4,211.28, 6,320.82 and 2,132.76

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Solution

The fourth proportional to 4,211.28, 6,320.82 and 2,132.76 is: 3,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.28 : 6,320.82 = 2,132.76 : x
  2. Step 2: Convert to fraction form
    4,211.28/6,320.82 = 2,132.76/x
  3. Step 3: Cross multiply
    4,211.28x = 6,320.82 × 2,132.76
  4. Step 4: Simplify right side
    4,211.28x = 13,480,792.06
  5. Step 5: Solve for x
    x = 13,480,792.06/4,211.28
  6. Step 6: Final answer
    x = 3,201.12

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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.