Home / 8,878.20-13,323.17-3,684.07

Finding the Fourth Proportional to 8,878.20, 13,323.17 and 3,684.07

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Solution

The fourth proportional to 8,878.20, 13,323.17 and 3,684.07 is: 5,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.20 : 13,323.17 = 3,684.07 : x
  2. Step 2: Convert to fraction form
    8,878.20/13,323.17 = 3,684.07/x
  3. Step 3: Cross multiply
    8,878.20x = 13,323.17 × 3,684.07
  4. Step 4: Simplify right side
    8,878.20x = 49,083,490.90
  5. Step 5: Solve for x
    x = 49,083,490.90/8,878.20
  6. Step 6: Final answer
    x = 5,528.54

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1.5x scale

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.