Home / 8,889.12-13,335.12-2,733.12

Finding the Fourth Proportional to 8,889.12, 13,335.12 and 2,733.12

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Solution

The fourth proportional to 8,889.12, 13,335.12 and 2,733.12 is: 4,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.12 : 13,335.12 = 2,733.12 : x
  2. Step 2: Convert to fraction form
    8,889.12/13,335.12 = 2,733.12/x
  3. Step 3: Cross multiply
    8,889.12x = 13,335.12 × 2,733.12
  4. Step 4: Simplify right side
    8,889.12x = 36,446,483.17
  5. Step 5: Solve for x
    x = 36,446,483.17/8,889.12
  6. Step 6: Final answer
    x = 4,100.12

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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.