Home / 5,488.78-8,230.50-2,714.56

Finding the Fourth Proportional to 5,488.78, 8,230.50 and 2,714.56

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Solution

The fourth proportional to 5,488.78, 8,230.50 and 2,714.56 is: 4,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.78 : 8,230.50 = 2,714.56 : x
  2. Step 2: Convert to fraction form
    5,488.78/8,230.50 = 2,714.56/x
  3. Step 3: Cross multiply
    5,488.78x = 8,230.50 × 2,714.56
  4. Step 4: Simplify right side
    5,488.78x = 22,342,186.08
  5. Step 5: Solve for x
    x = 22,342,186.08/5,488.78
  6. Step 6: Final answer
    x = 4,070.52

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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.