Home / 8,860.20-13,280.46-3,661.56

Finding the Fourth Proportional to 8,860.20, 13,280.46 and 3,661.56

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Solution

The fourth proportional to 8,860.20, 13,280.46 and 3,661.56 is: 5,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.20 : 13,280.46 = 3,661.56 : x
  2. Step 2: Convert to fraction form
    8,860.20/13,280.46 = 3,661.56/x
  3. Step 3: Cross multiply
    8,860.20x = 13,280.46 × 3,661.56
  4. Step 4: Simplify right side
    8,860.20x = 48,627,201.12
  5. Step 5: Solve for x
    x = 48,627,201.12/8,860.20
  6. Step 6: Final answer
    x = 5,488.27

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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.