Home / 8,908.20-13,346.10-7,255.80

Finding the Fourth Proportional to 8,908.20, 13,346.10 and 7,255.80

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Solution

The fourth proportional to 8,908.20, 13,346.10 and 7,255.80 is: 10,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.20 : 13,346.10 = 7,255.80 : x
  2. Step 2: Convert to fraction form
    8,908.20/13,346.10 = 7,255.80/x
  3. Step 3: Cross multiply
    8,908.20x = 13,346.10 × 7,255.80
  4. Step 4: Simplify right side
    8,908.20x = 96,836,632.38
  5. Step 5: Solve for x
    x = 96,836,632.38/8,908.20
  6. Step 6: Final answer
    x = 10,870.50

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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.