Home / 7,897.31-10,897.72-4,540.11

Finding the Fourth Proportional to 7,897.31, 10,897.72 and 4,540.11

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Solution

The fourth proportional to 7,897.31, 10,897.72 and 4,540.11 is: 6,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.31 : 10,897.72 = 4,540.11 : x
  2. Step 2: Convert to fraction form
    7,897.31/10,897.72 = 4,540.11/x
  3. Step 3: Cross multiply
    7,897.31x = 10,897.72 × 4,540.11
  4. Step 4: Simplify right side
    7,897.31x = 49,476,847.55
  5. Step 5: Solve for x
    x = 49,476,847.55/7,897.31
  6. Step 6: Final answer
    x = 6,265.03

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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.