Home / 7,841.23-11,761.28-2,576.18

Finding the Fourth Proportional to 7,841.23, 11,761.28 and 2,576.18

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Solution

The fourth proportional to 7,841.23, 11,761.28 and 2,576.18 is: 3,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.23 : 11,761.28 = 2,576.18 : x
  2. Step 2: Convert to fraction form
    7,841.23/11,761.28 = 2,576.18/x
  3. Step 3: Cross multiply
    7,841.23x = 11,761.28 × 2,576.18
  4. Step 4: Simplify right side
    7,841.23x = 30,299,160.17
  5. Step 5: Solve for x
    x = 30,299,160.17/7,841.23
  6. Step 6: Final answer
    x = 3,864.08

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1.5x scale

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.