Home / 5,644.38-8,455.20-2,713.80

Finding the Fourth Proportional to 5,644.38, 8,455.20 and 2,713.80

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Solution

The fourth proportional to 5,644.38, 8,455.20 and 2,713.80 is: 4,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.38 : 8,455.20 = 2,713.80 : x
  2. Step 2: Convert to fraction form
    5,644.38/8,455.20 = 2,713.80/x
  3. Step 3: Cross multiply
    5,644.38x = 8,455.20 × 2,713.80
  4. Step 4: Simplify right side
    5,644.38x = 22,945,721.76
  5. Step 5: Solve for x
    x = 22,945,721.76/5,644.38
  6. Step 6: Final answer
    x = 4,065.23

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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.