Home / 5,227.02-7,212.80-3,102.18

Finding the Fourth Proportional to 5,227.02, 7,212.80 and 3,102.18

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Solution

The fourth proportional to 5,227.02, 7,212.80 and 3,102.18 is: 4,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.02 : 7,212.80 = 3,102.18 : x
  2. Step 2: Convert to fraction form
    5,227.02/7,212.80 = 3,102.18/x
  3. Step 3: Cross multiply
    5,227.02x = 7,212.80 × 3,102.18
  4. Step 4: Simplify right side
    5,227.02x = 22,375,403.90
  5. Step 5: Solve for x
    x = 22,375,403.90/5,227.02
  6. Step 6: Final answer
    x = 4,280.72

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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.