Home / 8,166.20-12,247.28-3,483.92

Finding the Fourth Proportional to 8,166.20, 12,247.28 and 3,483.92

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Solution

The fourth proportional to 8,166.20, 12,247.28 and 3,483.92 is: 5,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.20 : 12,247.28 = 3,483.92 : x
  2. Step 2: Convert to fraction form
    8,166.20/12,247.28 = 3,483.92/x
  3. Step 3: Cross multiply
    8,166.20x = 12,247.28 × 3,483.92
  4. Step 4: Simplify right side
    8,166.20x = 42,668,543.74
  5. Step 5: Solve for x
    x = 42,668,543.74/8,166.20
  6. Step 6: Final answer
    x = 5,225.02

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1.5x scale

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.