Home / 5,516.67-8,280.48-4,488.78

Finding the Fourth Proportional to 5,516.67, 8,280.48 and 4,488.78

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Solution

The fourth proportional to 5,516.67, 8,280.48 and 4,488.78 is: 6,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.67 : 8,280.48 = 4,488.78 : x
  2. Step 2: Convert to fraction form
    5,516.67/8,280.48 = 4,488.78/x
  3. Step 3: Cross multiply
    5,516.67x = 8,280.48 × 4,488.78
  4. Step 4: Simplify right side
    5,516.67x = 37,169,253.01
  5. Step 5: Solve for x
    x = 37,169,253.01/5,516.67
  6. Step 6: Final answer
    x = 6,737.62

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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.