Home / 8,860.42-12,229.14-5,276.26

Finding the Fourth Proportional to 8,860.42, 12,229.14 and 5,276.26

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Solution

The fourth proportional to 8,860.42, 12,229.14 and 5,276.26 is: 7,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.42 : 12,229.14 = 5,276.26 : x
  2. Step 2: Convert to fraction form
    8,860.42/12,229.14 = 5,276.26/x
  3. Step 3: Cross multiply
    8,860.42x = 12,229.14 × 5,276.26
  4. Step 4: Simplify right side
    8,860.42x = 64,524,122.22
  5. Step 5: Solve for x
    x = 64,524,122.22/8,860.42
  6. Step 6: Final answer
    x = 7,282.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.