Home / 5,220.16-7,204.28-2,862.76

Finding the Fourth Proportional to 5,220.16, 7,204.28 and 2,862.76

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Solution

The fourth proportional to 5,220.16, 7,204.28 and 2,862.76 is: 3,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.16 : 7,204.28 = 2,862.76 : x
  2. Step 2: Convert to fraction form
    5,220.16/7,204.28 = 2,862.76/x
  3. Step 3: Cross multiply
    5,220.16x = 7,204.28 × 2,862.76
  4. Step 4: Simplify right side
    5,220.16x = 20,624,124.61
  5. Step 5: Solve for x
    x = 20,624,124.61/5,220.16
  6. Step 6: Final answer
    x = 3,950.86

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Half scale
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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.