Home / 8,245.28-12,365.18-3,801.11

Finding the Fourth Proportional to 8,245.28, 12,365.18 and 3,801.11

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Solution

The fourth proportional to 8,245.28, 12,365.18 and 3,801.11 is: 5,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.28 : 12,365.18 = 3,801.11 : x
  2. Step 2: Convert to fraction form
    8,245.28/12,365.18 = 3,801.11/x
  3. Step 3: Cross multiply
    8,245.28x = 12,365.18 × 3,801.11
  4. Step 4: Simplify right side
    8,245.28x = 47,001,409.35
  5. Step 5: Solve for x
    x = 47,001,409.35/8,245.28
  6. Step 6: Final answer
    x = 5,700.40

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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.