Home / 5,220.02-7,204.23-2,982.20

Finding the Fourth Proportional to 5,220.02, 7,204.23 and 2,982.20

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Solution

The fourth proportional to 5,220.02, 7,204.23 and 2,982.20 is: 4,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.02 : 7,204.23 = 2,982.20 : x
  2. Step 2: Convert to fraction form
    5,220.02/7,204.23 = 2,982.20/x
  3. Step 3: Cross multiply
    5,220.02x = 7,204.23 × 2,982.20
  4. Step 4: Simplify right side
    5,220.02x = 21,484,454.71
  5. Step 5: Solve for x
    x = 21,484,454.71/5,220.02
  6. Step 6: Final answer
    x = 4,115.78

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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.