Home / 5,391.45-7,440.30-3,266.91

Finding the Fourth Proportional to 5,391.45, 7,440.30 and 3,266.91

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Solution

The fourth proportional to 5,391.45, 7,440.30 and 3,266.91 is: 4,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.45 : 7,440.30 = 3,266.91 : x
  2. Step 2: Convert to fraction form
    5,391.45/7,440.30 = 3,266.91/x
  3. Step 3: Cross multiply
    5,391.45x = 7,440.30 × 3,266.91
  4. Step 4: Simplify right side
    5,391.45x = 24,306,790.47
  5. Step 5: Solve for x
    x = 24,306,790.47/5,391.45
  6. Step 6: Final answer
    x = 4,508.40

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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.