Home / 8,377.92-12,563.76-3,111.84

Finding the Fourth Proportional to 8,377.92, 12,563.76 and 3,111.84

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Solution

The fourth proportional to 8,377.92, 12,563.76 and 3,111.84 is: 4,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.92 : 12,563.76 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    8,377.92/12,563.76 = 3,111.84/x
  3. Step 3: Cross multiply
    8,377.92x = 12,563.76 × 3,111.84
  4. Step 4: Simplify right side
    8,377.92x = 39,096,410.92
  5. Step 5: Solve for x
    x = 39,096,410.92/8,377.92
  6. Step 6: Final answer
    x = 4,666.60

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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.