Home / 8,851.68-13,279.50-2,611.62

Finding the Fourth Proportional to 8,851.68, 13,279.50 and 2,611.62

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Solution

The fourth proportional to 8,851.68, 13,279.50 and 2,611.62 is: 3,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.68 : 13,279.50 = 2,611.62 : x
  2. Step 2: Convert to fraction form
    8,851.68/13,279.50 = 2,611.62/x
  3. Step 3: Cross multiply
    8,851.68x = 13,279.50 × 2,611.62
  4. Step 4: Simplify right side
    8,851.68x = 34,681,007.79
  5. Step 5: Solve for x
    x = 34,681,007.79/8,851.68
  6. Step 6: Final answer
    x = 3,918.01

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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.