Home / 7,956.20-11,934.30-6,116.60

Finding the Fourth Proportional to 7,956.20, 11,934.30 and 6,116.60

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Solution

The fourth proportional to 7,956.20, 11,934.30 and 6,116.60 is: 9,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.20 : 11,934.30 = 6,116.60 : x
  2. Step 2: Convert to fraction form
    7,956.20/11,934.30 = 6,116.60/x
  3. Step 3: Cross multiply
    7,956.20x = 11,934.30 × 6,116.60
  4. Step 4: Simplify right side
    7,956.20x = 72,997,339.38
  5. Step 5: Solve for x
    x = 72,997,339.38/7,956.20
  6. Step 6: Final answer
    x = 9,174.90

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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.