Home / 8,345.14-12,508.80-2,793.40

Finding the Fourth Proportional to 8,345.14, 12,508.80 and 2,793.40

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Solution

The fourth proportional to 8,345.14, 12,508.80 and 2,793.40 is: 4,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.14 : 12,508.80 = 2,793.40 : x
  2. Step 2: Convert to fraction form
    8,345.14/12,508.80 = 2,793.40/x
  3. Step 3: Cross multiply
    8,345.14x = 12,508.80 × 2,793.40
  4. Step 4: Simplify right side
    8,345.14x = 34,942,081.92
  5. Step 5: Solve for x
    x = 34,942,081.92/8,345.14
  6. Step 6: Final answer
    x = 4,187.12

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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.