Home / 9,091.89-13,639.19-2,852.42

Finding the Fourth Proportional to 9,091.89, 13,639.19 and 2,852.42

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Solution

The fourth proportional to 9,091.89, 13,639.19 and 2,852.42 is: 4,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.89 : 13,639.19 = 2,852.42 : x
  2. Step 2: Convert to fraction form
    9,091.89/13,639.19 = 2,852.42/x
  3. Step 3: Cross multiply
    9,091.89x = 13,639.19 × 2,852.42
  4. Step 4: Simplify right side
    9,091.89x = 38,904,615.88
  5. Step 5: Solve for x
    x = 38,904,615.88/9,091.89
  6. Step 6: Final answer
    x = 4,279.05

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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.