Home / 8,217.29-12,326.61-2,670.51

Finding the Fourth Proportional to 8,217.29, 12,326.61 and 2,670.51

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Solution

The fourth proportional to 8,217.29, 12,326.61 and 2,670.51 is: 4,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.29 : 12,326.61 = 2,670.51 : x
  2. Step 2: Convert to fraction form
    8,217.29/12,326.61 = 2,670.51/x
  3. Step 3: Cross multiply
    8,217.29x = 12,326.61 × 2,670.51
  4. Step 4: Simplify right side
    8,217.29x = 32,918,335.27
  5. Step 5: Solve for x
    x = 32,918,335.27/8,217.29
  6. Step 6: Final answer
    x = 4,005.98

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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.