Home / 8,456.72-11,671.07-4,680.77

Finding the Fourth Proportional to 8,456.72, 11,671.07 and 4,680.77

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Solution

The fourth proportional to 8,456.72, 11,671.07 and 4,680.77 is: 6,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.72 : 11,671.07 = 4,680.77 : x
  2. Step 2: Convert to fraction form
    8,456.72/11,671.07 = 4,680.77/x
  3. Step 3: Cross multiply
    8,456.72x = 11,671.07 × 4,680.77
  4. Step 4: Simplify right side
    8,456.72x = 54,629,512.56
  5. Step 5: Solve for x
    x = 54,629,512.56/8,456.72
  6. Step 6: Final answer
    x = 6,459.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.