Home / 5,230.02-7,217.77-2,992.20

Finding the Fourth Proportional to 5,230.02, 7,217.77 and 2,992.20

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Solution

The fourth proportional to 5,230.02, 7,217.77 and 2,992.20 is: 4,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.02 : 7,217.77 = 2,992.20 : x
  2. Step 2: Convert to fraction form
    5,230.02/7,217.77 = 2,992.20/x
  3. Step 3: Cross multiply
    5,230.02x = 7,217.77 × 2,992.20
  4. Step 4: Simplify right side
    5,230.02x = 21,597,011.39
  5. Step 5: Solve for x
    x = 21,597,011.39/5,230.02
  6. Step 6: Final answer
    x = 4,129.43

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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.