Home / 7,839.56-11,742.06-4,755.08

Finding the Fourth Proportional to 7,839.56, 11,742.06 and 4,755.08

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Solution

The fourth proportional to 7,839.56, 11,742.06 and 4,755.08 is: 7,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.56 : 11,742.06 = 4,755.08 : x
  2. Step 2: Convert to fraction form
    7,839.56/11,742.06 = 4,755.08/x
  3. Step 3: Cross multiply
    7,839.56x = 11,742.06 × 4,755.08
  4. Step 4: Simplify right side
    7,839.56x = 55,834,434.66
  5. Step 5: Solve for x
    x = 55,834,434.66/7,839.56
  6. Step 6: Final answer
    x = 7,122.14

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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.