Home / 8,217.11-11,335.65-5,383.25

Finding the Fourth Proportional to 8,217.11, 11,335.65 and 5,383.25

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Solution

The fourth proportional to 8,217.11, 11,335.65 and 5,383.25 is: 7,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.11 : 11,335.65 = 5,383.25 : x
  2. Step 2: Convert to fraction form
    8,217.11/11,335.65 = 5,383.25/x
  3. Step 3: Cross multiply
    8,217.11x = 11,335.65 × 5,383.25
  4. Step 4: Simplify right side
    8,217.11x = 61,022,637.86
  5. Step 5: Solve for x
    x = 61,022,637.86/8,217.11
  6. Step 6: Final answer
    x = 7,426.29

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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.