Home / 7,881.44-10,876.40-4,344.56

Finding the Fourth Proportional to 7,881.44, 10,876.40 and 4,344.56

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Solution

The fourth proportional to 7,881.44, 10,876.40 and 4,344.56 is: 5,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.44 : 10,876.40 = 4,344.56 : x
  2. Step 2: Convert to fraction form
    7,881.44/10,876.40 = 4,344.56/x
  3. Step 3: Cross multiply
    7,881.44x = 10,876.40 × 4,344.56
  4. Step 4: Simplify right side
    7,881.44x = 47,253,172.38
  5. Step 5: Solve for x
    x = 47,253,172.38/7,881.44
  6. Step 6: Final answer
    x = 5,995.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.