Home / 8,853.78-13,276.05-2,612.97

Finding the Fourth Proportional to 8,853.78, 13,276.05 and 2,612.97

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Solution

The fourth proportional to 8,853.78, 13,276.05 and 2,612.97 is: 3,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.78 : 13,276.05 = 2,612.97 : x
  2. Step 2: Convert to fraction form
    8,853.78/13,276.05 = 2,612.97/x
  3. Step 3: Cross multiply
    8,853.78x = 13,276.05 × 2,612.97
  4. Step 4: Simplify right side
    8,853.78x = 34,689,920.37
  5. Step 5: Solve for x
    x = 34,689,920.37/8,853.78
  6. Step 6: Final answer
    x = 3,918.09

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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.