Home / 5,713.02-8,576.85-3,117.78

Finding the Fourth Proportional to 5,713.02, 8,576.85 and 3,117.78

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Solution

The fourth proportional to 5,713.02, 8,576.85 and 3,117.78 is: 4,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.02 : 8,576.85 = 3,117.78 : x
  2. Step 2: Convert to fraction form
    5,713.02/8,576.85 = 3,117.78/x
  3. Step 3: Cross multiply
    5,713.02x = 8,576.85 × 3,117.78
  4. Step 4: Simplify right side
    5,713.02x = 26,740,731.39
  5. Step 5: Solve for x
    x = 26,740,731.39/5,713.02
  6. Step 6: Final answer
    x = 4,680.66

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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.