Home / 8,746.64-13,120.44-2,591.12

Finding the Fourth Proportional to 8,746.64, 13,120.44 and 2,591.12

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Solution

The fourth proportional to 8,746.64, 13,120.44 and 2,591.12 is: 3,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.64 : 13,120.44 = 2,591.12 : x
  2. Step 2: Convert to fraction form
    8,746.64/13,120.44 = 2,591.12/x
  3. Step 3: Cross multiply
    8,746.64x = 13,120.44 × 2,591.12
  4. Step 4: Simplify right side
    8,746.64x = 33,996,634.49
  5. Step 5: Solve for x
    x = 33,996,634.49/8,746.64
  6. Step 6: Final answer
    x = 3,886.82

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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.