Home / 5,676.55-8,512.40-1,781.26

Finding the Fourth Proportional to 5,676.55, 8,512.40 and 1,781.26

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Solution

The fourth proportional to 5,676.55, 8,512.40 and 1,781.26 is: 2,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.55 : 8,512.40 = 1,781.26 : x
  2. Step 2: Convert to fraction form
    5,676.55/8,512.40 = 1,781.26/x
  3. Step 3: Cross multiply
    5,676.55x = 8,512.40 × 1,781.26
  4. Step 4: Simplify right side
    5,676.55x = 15,162,788.72
  5. Step 5: Solve for x
    x = 15,162,788.72/5,676.55
  6. Step 6: Final answer
    x = 2,671.13

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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.