Home / 7,955.34-11,938.50-2,761.21

Finding the Fourth Proportional to 7,955.34, 11,938.50 and 2,761.21

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Solution

The fourth proportional to 7,955.34, 11,938.50 and 2,761.21 is: 4,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.34 : 11,938.50 = 2,761.21 : x
  2. Step 2: Convert to fraction form
    7,955.34/11,938.50 = 2,761.21/x
  3. Step 3: Cross multiply
    7,955.34x = 11,938.50 × 2,761.21
  4. Step 4: Simplify right side
    7,955.34x = 32,964,705.59
  5. Step 5: Solve for x
    x = 32,964,705.59/7,955.34
  6. Step 6: Final answer
    x = 4,143.72

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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.