Home / 8,940.78-13,411.77-2,700.33

Finding the Fourth Proportional to 8,940.78, 13,411.77 and 2,700.33

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Solution

The fourth proportional to 8,940.78, 13,411.77 and 2,700.33 is: 4,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.78 : 13,411.77 = 2,700.33 : x
  2. Step 2: Convert to fraction form
    8,940.78/13,411.77 = 2,700.33/x
  3. Step 3: Cross multiply
    8,940.78x = 13,411.77 × 2,700.33
  4. Step 4: Simplify right side
    8,940.78x = 36,216,204.88
  5. Step 5: Solve for x
    x = 36,216,204.88/8,940.78
  6. Step 6: Final answer
    x = 4,050.68

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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.