Home / 8,877.72-13,314.30-2,636.26

Finding the Fourth Proportional to 8,877.72, 13,314.30 and 2,636.26

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Solution

The fourth proportional to 8,877.72, 13,314.30 and 2,636.26 is: 3,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.72 : 13,314.30 = 2,636.26 : x
  2. Step 2: Convert to fraction form
    8,877.72/13,314.30 = 2,636.26/x
  3. Step 3: Cross multiply
    8,877.72x = 13,314.30 × 2,636.26
  4. Step 4: Simplify right side
    8,877.72x = 35,099,956.52
  5. Step 5: Solve for x
    x = 35,099,956.52/8,877.72
  6. Step 6: Final answer
    x = 3,953.71

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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.