Home / 5,728.78-8,595.69-2,442.70

Finding the Fourth Proportional to 5,728.78, 8,595.69 and 2,442.70

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Solution

The fourth proportional to 5,728.78, 8,595.69 and 2,442.70 is: 3,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.78 : 8,595.69 = 2,442.70 : x
  2. Step 2: Convert to fraction form
    5,728.78/8,595.69 = 2,442.70/x
  3. Step 3: Cross multiply
    5,728.78x = 8,595.69 × 2,442.70
  4. Step 4: Simplify right side
    5,728.78x = 20,996,691.96
  5. Step 5: Solve for x
    x = 20,996,691.96/5,728.78
  6. Step 6: Final answer
    x = 3,665.12

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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.