Home / 8,656.75-12,985.65-2,733.84

Finding the Fourth Proportional to 8,656.75, 12,985.65 and 2,733.84

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Solution

The fourth proportional to 8,656.75, 12,985.65 and 2,733.84 is: 4,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.75 : 12,985.65 = 2,733.84 : x
  2. Step 2: Convert to fraction form
    8,656.75/12,985.65 = 2,733.84/x
  3. Step 3: Cross multiply
    8,656.75x = 12,985.65 × 2,733.84
  4. Step 4: Simplify right side
    8,656.75x = 35,500,689.40
  5. Step 5: Solve for x
    x = 35,500,689.40/8,656.75
  6. Step 6: Final answer
    x = 4,100.93

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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.