Home / 8,328.20-12,488.66-2,483.65

Finding the Fourth Proportional to 8,328.20, 12,488.66 and 2,483.65

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Solution

The fourth proportional to 8,328.20, 12,488.66 and 2,483.65 is: 3,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.20 : 12,488.66 = 2,483.65 : x
  2. Step 2: Convert to fraction form
    8,328.20/12,488.66 = 2,483.65/x
  3. Step 3: Cross multiply
    8,328.20x = 12,488.66 × 2,483.65
  4. Step 4: Simplify right side
    8,328.20x = 31,017,385.55
  5. Step 5: Solve for x
    x = 31,017,385.55/8,328.20
  6. Step 6: Final answer
    x = 3,724.38

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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.