Home / 7,834.28-11,741.69-3,881.28

Finding the Fourth Proportional to 7,834.28, 11,741.69 and 3,881.28

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Solution

The fourth proportional to 7,834.28, 11,741.69 and 3,881.28 is: 5,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.28 : 11,741.69 = 3,881.28 : x
  2. Step 2: Convert to fraction form
    7,834.28/11,741.69 = 3,881.28/x
  3. Step 3: Cross multiply
    7,834.28x = 11,741.69 × 3,881.28
  4. Step 4: Simplify right side
    7,834.28x = 45,572,767.16
  5. Step 5: Solve for x
    x = 45,572,767.16/7,834.28
  6. Step 6: Final answer
    x = 5,817.10

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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.