Home / 5,440.17-8,147.49-2,658.13

Finding the Fourth Proportional to 5,440.17, 8,147.49 and 2,658.13

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Solution

The fourth proportional to 5,440.17, 8,147.49 and 2,658.13 is: 3,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.17 : 8,147.49 = 2,658.13 : x
  2. Step 2: Convert to fraction form
    5,440.17/8,147.49 = 2,658.13/x
  3. Step 3: Cross multiply
    5,440.17x = 8,147.49 × 2,658.13
  4. Step 4: Simplify right side
    5,440.17x = 21,657,087.59
  5. Step 5: Solve for x
    x = 21,657,087.59/5,440.17
  6. Step 6: Final answer
    x = 3,980.96

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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.