Home / 5,220.01-7,203.62-2,862.30

Finding the Fourth Proportional to 5,220.01, 7,203.62 and 2,862.30

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Solution

The fourth proportional to 5,220.01, 7,203.62 and 2,862.30 is: 3,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.01 : 7,203.62 = 2,862.30 : x
  2. Step 2: Convert to fraction form
    5,220.01/7,203.62 = 2,862.30/x
  3. Step 3: Cross multiply
    5,220.01x = 7,203.62 × 2,862.30
  4. Step 4: Simplify right side
    5,220.01x = 20,618,921.53
  5. Step 5: Solve for x
    x = 20,618,921.53/5,220.01
  6. Step 6: Final answer
    x = 3,949.98

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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.