Home / 4,098.80-6,147.20-1,176.80

Finding the Fourth Proportional to 4,098.80, 6,147.20 and 1,176.80

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Solution

The fourth proportional to 4,098.80, 6,147.20 and 1,176.80 is: 1,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.80 : 6,147.20 = 1,176.80 : x
  2. Step 2: Convert to fraction form
    4,098.80/6,147.20 = 1,176.80/x
  3. Step 3: Cross multiply
    4,098.80x = 6,147.20 × 1,176.80
  4. Step 4: Simplify right side
    4,098.80x = 7,234,024.96
  5. Step 5: Solve for x
    x = 7,234,024.96/4,098.80
  6. Step 6: Final answer
    x = 1,764.91

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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.