Home / 7,832.28-11,748.18-2,638.14

Finding the Fourth Proportional to 7,832.28, 11,748.18 and 2,638.14

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Solution

The fourth proportional to 7,832.28, 11,748.18 and 2,638.14 is: 3,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,832.28 : 11,748.18 = 2,638.14 : x
  2. Step 2: Convert to fraction form
    7,832.28/11,748.18 = 2,638.14/x
  3. Step 3: Cross multiply
    7,832.28x = 11,748.18 × 2,638.14
  4. Step 4: Simplify right side
    7,832.28x = 30,993,343.59
  5. Step 5: Solve for x
    x = 30,993,343.59/7,832.28
  6. Step 6: Final answer
    x = 3,957.13

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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.