Home / 9,177.27-13,763.79-4,242.12

Finding the Fourth Proportional to 9,177.27, 13,763.79 and 4,242.12

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Solution

The fourth proportional to 9,177.27, 13,763.79 and 4,242.12 is: 6,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.27 : 13,763.79 = 4,242.12 : x
  2. Step 2: Convert to fraction form
    9,177.27/13,763.79 = 4,242.12/x
  3. Step 3: Cross multiply
    9,177.27x = 13,763.79 × 4,242.12
  4. Step 4: Simplify right side
    9,177.27x = 58,387,648.83
  5. Step 5: Solve for x
    x = 58,387,648.83/9,177.27
  6. Step 6: Final answer
    x = 6,362.20

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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.