Home / 5,717.11-8,575.56-1,821.46

Finding the Fourth Proportional to 5,717.11, 8,575.56 and 1,821.46

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Solution

The fourth proportional to 5,717.11, 8,575.56 and 1,821.46 is: 2,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.11 : 8,575.56 = 1,821.46 : x
  2. Step 2: Convert to fraction form
    5,717.11/8,575.56 = 1,821.46/x
  3. Step 3: Cross multiply
    5,717.11x = 8,575.56 × 1,821.46
  4. Step 4: Simplify right side
    5,717.11x = 15,620,039.52
  5. Step 5: Solve for x
    x = 15,620,039.52/5,717.11
  6. Step 6: Final answer
    x = 2,732.16

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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.