Home / 5,516.58-8,275.38-1,818.81

Finding the Fourth Proportional to 5,516.58, 8,275.38 and 1,818.81

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Solution

The fourth proportional to 5,516.58, 8,275.38 and 1,818.81 is: 2,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.58 : 8,275.38 = 1,818.81 : x
  2. Step 2: Convert to fraction form
    5,516.58/8,275.38 = 1,818.81/x
  3. Step 3: Cross multiply
    5,516.58x = 8,275.38 × 1,818.81
  4. Step 4: Simplify right side
    5,516.58x = 15,051,343.90
  5. Step 5: Solve for x
    x = 15,051,343.90/5,516.58
  6. Step 6: Final answer
    x = 2,728.38

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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.