Home / 5,674.13-8,515.80-2,752.43

Finding the Fourth Proportional to 5,674.13, 8,515.80 and 2,752.43

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Solution

The fourth proportional to 5,674.13, 8,515.80 and 2,752.43 is: 4,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.13 : 8,515.80 = 2,752.43 : x
  2. Step 2: Convert to fraction form
    5,674.13/8,515.80 = 2,752.43/x
  3. Step 3: Cross multiply
    5,674.13x = 8,515.80 × 2,752.43
  4. Step 4: Simplify right side
    5,674.13x = 23,439,100.82
  5. Step 5: Solve for x
    x = 23,439,100.82/5,674.13
  6. Step 6: Final answer
    x = 4,130.87

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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.