Home / 8,345.20-12,514.10-2,500.70

Finding the Fourth Proportional to 8,345.20, 12,514.10 and 2,500.70

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Solution

The fourth proportional to 8,345.20, 12,514.10 and 2,500.70 is: 3,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.20 : 12,514.10 = 2,500.70 : x
  2. Step 2: Convert to fraction form
    8,345.20/12,514.10 = 2,500.70/x
  3. Step 3: Cross multiply
    8,345.20x = 12,514.10 × 2,500.70
  4. Step 4: Simplify right side
    8,345.20x = 31,294,009.87
  5. Step 5: Solve for x
    x = 31,294,009.87/8,345.20
  6. Step 6: Final answer
    x = 3,749.94

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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.