Home / 7,034.56-10,548.88-3,871.20

Finding the Fourth Proportional to 7,034.56, 10,548.88 and 3,871.20

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Solution

The fourth proportional to 7,034.56, 10,548.88 and 3,871.20 is: 5,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034.56 : 10,548.88 = 3,871.20 : x
  2. Step 2: Convert to fraction form
    7,034.56/10,548.88 = 3,871.20/x
  3. Step 3: Cross multiply
    7,034.56x = 10,548.88 × 3,871.20
  4. Step 4: Simplify right side
    7,034.56x = 40,836,824.26
  5. Step 5: Solve for x
    x = 40,836,824.26/7,034.56
  6. Step 6: Final answer
    x = 5,805.17

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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.