Home / 9,761.31-14,640.35-2,740.50

Finding the Fourth Proportional to 9,761.31, 14,640.35 and 2,740.50

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Solution

The fourth proportional to 9,761.31, 14,640.35 and 2,740.50 is: 4,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.31 : 14,640.35 = 2,740.50 : x
  2. Step 2: Convert to fraction form
    9,761.31/14,640.35 = 2,740.50/x
  3. Step 3: Cross multiply
    9,761.31x = 14,640.35 × 2,740.50
  4. Step 4: Simplify right side
    9,761.31x = 40,121,865.47
  5. Step 5: Solve for x
    x = 40,121,865.47/9,761.31
  6. Step 6: Final answer
    x = 4,110.30

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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.