Home / 7,631.82-10,531.40-4,273.86

Finding the Fourth Proportional to 7,631.82, 10,531.40 and 4,273.86

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Solution

The fourth proportional to 7,631.82, 10,531.40 and 4,273.86 is: 5,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.82 : 10,531.40 = 4,273.86 : x
  2. Step 2: Convert to fraction form
    7,631.82/10,531.40 = 4,273.86/x
  3. Step 3: Cross multiply
    7,631.82x = 10,531.40 × 4,273.86
  4. Step 4: Simplify right side
    7,631.82x = 45,009,729.20
  5. Step 5: Solve for x
    x = 45,009,729.20/7,631.82
  6. Step 6: Final answer
    x = 5,897.64

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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.