Home / 8,823.36-12,175.34-5,286.48

Finding the Fourth Proportional to 8,823.36, 12,175.34 and 5,286.48

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Solution

The fourth proportional to 8,823.36, 12,175.34 and 5,286.48 is: 7,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.36 : 12,175.34 = 5,286.48 : x
  2. Step 2: Convert to fraction form
    8,823.36/12,175.34 = 5,286.48/x
  3. Step 3: Cross multiply
    8,823.36x = 12,175.34 × 5,286.48
  4. Step 4: Simplify right side
    8,823.36x = 64,364,691.40
  5. Step 5: Solve for x
    x = 64,364,691.40/8,823.36
  6. Step 6: Final answer
    x = 7,294.81

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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.