Home / 5,391.56-8,089.07-2,760.48

Finding the Fourth Proportional to 5,391.56, 8,089.07 and 2,760.48

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Solution

The fourth proportional to 5,391.56, 8,089.07 and 2,760.48 is: 4,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.56 : 8,089.07 = 2,760.48 : x
  2. Step 2: Convert to fraction form
    5,391.56/8,089.07 = 2,760.48/x
  3. Step 3: Cross multiply
    5,391.56x = 8,089.07 × 2,760.48
  4. Step 4: Simplify right side
    5,391.56x = 22,329,702.15
  5. Step 5: Solve for x
    x = 22,329,702.15/5,391.56
  6. Step 6: Final answer
    x = 4,141.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.