Home / 10,608.08-15,912.12-4,758.80

Finding the Fourth Proportional to 10,608.08, 15,912.12 and 4,758.80

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Solution

The fourth proportional to 10,608.08, 15,912.12 and 4,758.80 is: 7,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.08 : 15,912.12 = 4,758.80 : x
  2. Step 2: Convert to fraction form
    10,608.08/15,912.12 = 4,758.80/x
  3. Step 3: Cross multiply
    10,608.08x = 15,912.12 × 4,758.80
  4. Step 4: Simplify right side
    10,608.08x = 75,722,596.66
  5. Step 5: Solve for x
    x = 75,722,596.66/10,608.08
  6. Step 6: Final answer
    x = 7,138.20

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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.