Home / 8,107.31-12,159.88-2,264.51

Finding the Fourth Proportional to 8,107.31, 12,159.88 and 2,264.51

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Solution

The fourth proportional to 8,107.31, 12,159.88 and 2,264.51 is: 3,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.31 : 12,159.88 = 2,264.51 : x
  2. Step 2: Convert to fraction form
    8,107.31/12,159.88 = 2,264.51/x
  3. Step 3: Cross multiply
    8,107.31x = 12,159.88 × 2,264.51
  4. Step 4: Simplify right side
    8,107.31x = 27,536,103.40
  5. Step 5: Solve for x
    x = 27,536,103.40/8,107.31
  6. Step 6: Final answer
    x = 3,396.46

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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.