Home / 8,656.47-12,982.84-2,733.82

Finding the Fourth Proportional to 8,656.47, 12,982.84 and 2,733.82

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Solution

The fourth proportional to 8,656.47, 12,982.84 and 2,733.82 is: 4,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.47 : 12,982.84 = 2,733.82 : x
  2. Step 2: Convert to fraction form
    8,656.47/12,982.84 = 2,733.82/x
  3. Step 3: Cross multiply
    8,656.47x = 12,982.84 × 2,733.82
  4. Step 4: Simplify right side
    8,656.47x = 35,492,708.36
  5. Step 5: Solve for x
    x = 35,492,708.36/8,656.47
  6. Step 6: Final answer
    x = 4,100.14

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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.