Home / 8,841.72-13,261.14-2,685.72

Finding the Fourth Proportional to 8,841.72, 13,261.14 and 2,685.72

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Solution

The fourth proportional to 8,841.72, 13,261.14 and 2,685.72 is: 4,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.72 : 13,261.14 = 2,685.72 : x
  2. Step 2: Convert to fraction form
    8,841.72/13,261.14 = 2,685.72/x
  3. Step 3: Cross multiply
    8,841.72x = 13,261.14 × 2,685.72
  4. Step 4: Simplify right side
    8,841.72x = 35,615,708.92
  5. Step 5: Solve for x
    x = 35,615,708.92/8,841.72
  6. Step 6: Final answer
    x = 4,028.14

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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.