Home / 8,200.20-12,298.98-2,355.48

Finding the Fourth Proportional to 8,200.20, 12,298.98 and 2,355.48

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Solution

The fourth proportional to 8,200.20, 12,298.98 and 2,355.48 is: 3,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.20 : 12,298.98 = 2,355.48 : x
  2. Step 2: Convert to fraction form
    8,200.20/12,298.98 = 2,355.48/x
  3. Step 3: Cross multiply
    8,200.20x = 12,298.98 × 2,355.48
  4. Step 4: Simplify right side
    8,200.20x = 28,970,001.41
  5. Step 5: Solve for x
    x = 28,970,001.41/8,200.20
  6. Step 6: Final answer
    x = 3,532.84

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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.