Home / 5,391.43-7,440.86-3,034.02

Finding the Fourth Proportional to 5,391.43, 7,440.86 and 3,034.02

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Solution

The fourth proportional to 5,391.43, 7,440.86 and 3,034.02 is: 4,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.43 : 7,440.86 = 3,034.02 : x
  2. Step 2: Convert to fraction form
    5,391.43/7,440.86 = 3,034.02/x
  3. Step 3: Cross multiply
    5,391.43x = 7,440.86 × 3,034.02
  4. Step 4: Simplify right side
    5,391.43x = 22,575,753.55
  5. Step 5: Solve for x
    x = 22,575,753.55/5,391.43
  6. Step 6: Final answer
    x = 4,187.34

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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.