Home / 7,623.76-11,436.72-2,691.76

Finding the Fourth Proportional to 7,623.76, 11,436.72 and 2,691.76

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Solution

The fourth proportional to 7,623.76, 11,436.72 and 2,691.76 is: 4,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.76 : 11,436.72 = 2,691.76 : x
  2. Step 2: Convert to fraction form
    7,623.76/11,436.72 = 2,691.76/x
  3. Step 3: Cross multiply
    7,623.76x = 11,436.72 × 2,691.76
  4. Step 4: Simplify right side
    7,623.76x = 30,784,905.43
  5. Step 5: Solve for x
    x = 30,784,905.43/7,623.76
  6. Step 6: Final answer
    x = 4,038.02

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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.