Home / 8,540.08-12,810.66-2,696.92

Finding the Fourth Proportional to 8,540.08, 12,810.66 and 2,696.92

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Solution

The fourth proportional to 8,540.08, 12,810.66 and 2,696.92 is: 4,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.08 : 12,810.66 = 2,696.92 : x
  2. Step 2: Convert to fraction form
    8,540.08/12,810.66 = 2,696.92/x
  3. Step 3: Cross multiply
    8,540.08x = 12,810.66 × 2,696.92
  4. Step 4: Simplify right side
    8,540.08x = 34,549,325.17
  5. Step 5: Solve for x
    x = 34,549,325.17/8,540.08
  6. Step 6: Final answer
    x = 4,045.55

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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.