Home / 9,091.73-13,638.96-2,852.30

Finding the Fourth Proportional to 9,091.73, 13,638.96 and 2,852.30

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Solution

The fourth proportional to 9,091.73, 13,638.96 and 2,852.30 is: 4,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.73 : 13,638.96 = 2,852.30 : x
  2. Step 2: Convert to fraction form
    9,091.73/13,638.96 = 2,852.30/x
  3. Step 3: Cross multiply
    9,091.73x = 13,638.96 × 2,852.30
  4. Step 4: Simplify right side
    9,091.73x = 38,902,405.61
  5. Step 5: Solve for x
    x = 38,902,405.61/9,091.73
  6. Step 6: Final answer
    x = 4,278.88

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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.