Home / 5,712.12-8,568.09-1,763.28

Finding the Fourth Proportional to 5,712.12, 8,568.09 and 1,763.28

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Solution

The fourth proportional to 5,712.12, 8,568.09 and 1,763.28 is: 2,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.12 : 8,568.09 = 1,763.28 : x
  2. Step 2: Convert to fraction form
    5,712.12/8,568.09 = 1,763.28/x
  3. Step 3: Cross multiply
    5,712.12x = 8,568.09 × 1,763.28
  4. Step 4: Simplify right side
    5,712.12x = 15,107,941.74
  5. Step 5: Solve for x
    x = 15,107,941.74/5,712.12
  6. Step 6: Final answer
    x = 2,644.89

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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.