Home / 8,073.18-12,106.08-2,879.16

Finding the Fourth Proportional to 8,073.18, 12,106.08 and 2,879.16

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Solution

The fourth proportional to 8,073.18, 12,106.08 and 2,879.16 is: 4,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.18 : 12,106.08 = 2,879.16 : x
  2. Step 2: Convert to fraction form
    8,073.18/12,106.08 = 2,879.16/x
  3. Step 3: Cross multiply
    8,073.18x = 12,106.08 × 2,879.16
  4. Step 4: Simplify right side
    8,073.18x = 34,855,341.29
  5. Step 5: Solve for x
    x = 34,855,341.29/8,073.18
  6. Step 6: Final answer
    x = 4,317.42

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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.