Home / 5,412.22-8,118.83-1,516.66

Finding the Fourth Proportional to 5,412.22, 8,118.83 and 1,516.66

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Solution

The fourth proportional to 5,412.22, 8,118.83 and 1,516.66 is: 2,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.22 : 8,118.83 = 1,516.66 : x
  2. Step 2: Convert to fraction form
    5,412.22/8,118.83 = 1,516.66/x
  3. Step 3: Cross multiply
    5,412.22x = 8,118.83 × 1,516.66
  4. Step 4: Simplify right side
    5,412.22x = 12,313,488.20
  5. Step 5: Solve for x
    x = 12,313,488.20/5,412.22
  6. Step 6: Final answer
    x = 2,275.13

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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.