Home / 8,217.40-11,344.26-5,703.88

Finding the Fourth Proportional to 8,217.40, 11,344.26 and 5,703.88

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Solution

The fourth proportional to 8,217.40, 11,344.26 and 5,703.88 is: 7,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.40 : 11,344.26 = 5,703.88 : x
  2. Step 2: Convert to fraction form
    8,217.40/11,344.26 = 5,703.88/x
  3. Step 3: Cross multiply
    8,217.40x = 11,344.26 × 5,703.88
  4. Step 4: Simplify right side
    8,217.40x = 64,706,297.73
  5. Step 5: Solve for x
    x = 64,706,297.73/8,217.40
  6. Step 6: Final answer
    x = 7,874.30

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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.