Home / 5,644.24-8,465.28-2,180.80

Finding the Fourth Proportional to 5,644.24, 8,465.28 and 2,180.80

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Solution

The fourth proportional to 5,644.24, 8,465.28 and 2,180.80 is: 3,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.24 : 8,465.28 = 2,180.80 : x
  2. Step 2: Convert to fraction form
    5,644.24/8,465.28 = 2,180.80/x
  3. Step 3: Cross multiply
    5,644.24x = 8,465.28 × 2,180.80
  4. Step 4: Simplify right side
    5,644.24x = 18,461,082.62
  5. Step 5: Solve for x
    x = 18,461,082.62/5,644.24
  6. Step 6: Final answer
    x = 3,270.78

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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.