Home / 8,117.31-12,176.37-2,274.51

Finding the Fourth Proportional to 8,117.31, 12,176.37 and 2,274.51

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Solution

The fourth proportional to 8,117.31, 12,176.37 and 2,274.51 is: 3,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.31 : 12,176.37 = 2,274.51 : x
  2. Step 2: Convert to fraction form
    8,117.31/12,176.37 = 2,274.51/x
  3. Step 3: Cross multiply
    8,117.31x = 12,176.37 × 2,274.51
  4. Step 4: Simplify right side
    8,117.31x = 27,695,275.33
  5. Step 5: Solve for x
    x = 27,695,275.33/8,117.31
  6. Step 6: Final answer
    x = 3,411.88

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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.