Home / 7,003.20-10,508.49-3,108

Finding the Fourth Proportional to 7,003.20, 10,508.49 and 3,108

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Solution

The fourth proportional to 7,003.20, 10,508.49 and 3,108 is: 4,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.20 : 10,508.49 = 3,108 : x
  2. Step 2: Convert to fraction form
    7,003.20/10,508.49 = 3,108/x
  3. Step 3: Cross multiply
    7,003.20x = 10,508.49 × 3,108
  4. Step 4: Simplify right side
    7,003.20x = 32,660,386.92
  5. Step 5: Solve for x
    x = 32,660,386.92/7,003.20
  6. Step 6: Final answer
    x = 4,663.64

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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.