Home / 5,576.92-8,363.76-1,680.28

Finding the Fourth Proportional to 5,576.92, 8,363.76 and 1,680.28

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Solution

The fourth proportional to 5,576.92, 8,363.76 and 1,680.28 is: 2,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.92 : 8,363.76 = 1,680.28 : x
  2. Step 2: Convert to fraction form
    5,576.92/8,363.76 = 1,680.28/x
  3. Step 3: Cross multiply
    5,576.92x = 8,363.76 × 1,680.28
  4. Step 4: Simplify right side
    5,576.92x = 14,053,458.65
  5. Step 5: Solve for x
    x = 14,053,458.65/5,576.92
  6. Step 6: Final answer
    x = 2,519.93

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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.