Home / 8,605.02-12,906.32-2,760.87

Finding the Fourth Proportional to 8,605.02, 12,906.32 and 2,760.87

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Solution

The fourth proportional to 8,605.02, 12,906.32 and 2,760.87 is: 4,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.02 : 12,906.32 = 2,760.87 : x
  2. Step 2: Convert to fraction form
    8,605.02/12,906.32 = 2,760.87/x
  3. Step 3: Cross multiply
    8,605.02x = 12,906.32 × 2,760.87
  4. Step 4: Simplify right side
    8,605.02x = 35,632,657.89
  5. Step 5: Solve for x
    x = 35,632,657.89/8,605.02
  6. Step 6: Final answer
    x = 4,140.92

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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.