Home / 5,220.28-7,204.08-2,862.39

Finding the Fourth Proportional to 5,220.28, 7,204.08 and 2,862.39

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Solution

The fourth proportional to 5,220.28, 7,204.08 and 2,862.39 is: 3,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.28 : 7,204.08 = 2,862.39 : x
  2. Step 2: Convert to fraction form
    5,220.28/7,204.08 = 2,862.39/x
  3. Step 3: Cross multiply
    5,220.28x = 7,204.08 × 2,862.39
  4. Step 4: Simplify right side
    5,220.28x = 20,620,886.55
  5. Step 5: Solve for x
    x = 20,620,886.55/5,220.28
  6. Step 6: Final answer
    x = 3,950.15

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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.