Home / 5,516.49-8,275.65-1,818.94

Finding the Fourth Proportional to 5,516.49, 8,275.65 and 1,818.94

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Solution

The fourth proportional to 5,516.49, 8,275.65 and 1,818.94 is: 2,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.49 : 8,275.65 = 1,818.94 : x
  2. Step 2: Convert to fraction form
    5,516.49/8,275.65 = 1,818.94/x
  3. Step 3: Cross multiply
    5,516.49x = 8,275.65 × 1,818.94
  4. Step 4: Simplify right side
    5,516.49x = 15,052,910.81
  5. Step 5: Solve for x
    x = 15,052,910.81/5,516.49
  6. Step 6: Final answer
    x = 2,728.71

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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.