Home / 8,177.55-12,270.38-3,247.08

Finding the Fourth Proportional to 8,177.55, 12,270.38 and 3,247.08

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Solution

The fourth proportional to 8,177.55, 12,270.38 and 3,247.08 is: 4,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.55 : 12,270.38 = 3,247.08 : x
  2. Step 2: Convert to fraction form
    8,177.55/12,270.38 = 3,247.08/x
  3. Step 3: Cross multiply
    8,177.55x = 12,270.38 × 3,247.08
  4. Step 4: Simplify right side
    8,177.55x = 39,842,889.26
  5. Step 5: Solve for x
    x = 39,842,889.26/8,177.55
  6. Step 6: Final answer
    x = 4,872.23

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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.