Home / 5,072.40-7,604.28-3,534.48

Finding the Fourth Proportional to 5,072.40, 7,604.28 and 3,534.48

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Solution

The fourth proportional to 5,072.40, 7,604.28 and 3,534.48 is: 5,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.40 : 7,604.28 = 3,534.48 : x
  2. Step 2: Convert to fraction form
    5,072.40/7,604.28 = 3,534.48/x
  3. Step 3: Cross multiply
    5,072.40x = 7,604.28 × 3,534.48
  4. Step 4: Simplify right side
    5,072.40x = 26,877,175.57
  5. Step 5: Solve for x
    x = 26,877,175.57/5,072.40
  6. Step 6: Final answer
    x = 5,298.71

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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.