Home / 5,230.66-7,218.02-2,992.63

Finding the Fourth Proportional to 5,230.66, 7,218.02 and 2,992.63

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Solution

The fourth proportional to 5,230.66, 7,218.02 and 2,992.63 is: 4,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.66 : 7,218.02 = 2,992.63 : x
  2. Step 2: Convert to fraction form
    5,230.66/7,218.02 = 2,992.63/x
  3. Step 3: Cross multiply
    5,230.66x = 7,218.02 × 2,992.63
  4. Step 4: Simplify right side
    5,230.66x = 21,600,863.19
  5. Step 5: Solve for x
    x = 21,600,863.19/5,230.66
  6. Step 6: Final answer
    x = 4,129.66

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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.