Home / 8,298.65-12,440.67-3,103.31

Finding the Fourth Proportional to 8,298.65, 12,440.67 and 3,103.31

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Solution

The fourth proportional to 8,298.65, 12,440.67 and 3,103.31 is: 4,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.65 : 12,440.67 = 3,103.31 : x
  2. Step 2: Convert to fraction form
    8,298.65/12,440.67 = 3,103.31/x
  3. Step 3: Cross multiply
    8,298.65x = 12,440.67 × 3,103.31
  4. Step 4: Simplify right side
    8,298.65x = 38,607,255.62
  5. Step 5: Solve for x
    x = 38,607,255.62/8,298.65
  6. Step 6: Final answer
    x = 4,652.23

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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.