Home / 5,220.02-7,203.72-2,862.14

Finding the Fourth Proportional to 5,220.02, 7,203.72 and 2,862.14

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Solution

The fourth proportional to 5,220.02, 7,203.72 and 2,862.14 is: 3,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.02 : 7,203.72 = 2,862.14 : x
  2. Step 2: Convert to fraction form
    5,220.02/7,203.72 = 2,862.14/x
  3. Step 3: Cross multiply
    5,220.02x = 7,203.72 × 2,862.14
  4. Step 4: Simplify right side
    5,220.02x = 20,618,055.16
  5. Step 5: Solve for x
    x = 20,618,055.16/5,220.02
  6. Step 6: Final answer
    x = 3,949.80

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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.