Home / 5,227.46-7,213.95-2,869.55

Finding the Fourth Proportional to 5,227.46, 7,213.95 and 2,869.55

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Solution

The fourth proportional to 5,227.46, 7,213.95 and 2,869.55 is: 3,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.46 : 7,213.95 = 2,869.55 : x
  2. Step 2: Convert to fraction form
    5,227.46/7,213.95 = 2,869.55/x
  3. Step 3: Cross multiply
    5,227.46x = 7,213.95 × 2,869.55
  4. Step 4: Simplify right side
    5,227.46x = 20,700,790.22
  5. Step 5: Solve for x
    x = 20,700,790.22/5,227.46
  6. Step 6: Final answer
    x = 3,960.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.