Home / 8,760.64-13,140.96-3,563.04

Finding the Fourth Proportional to 8,760.64, 13,140.96 and 3,563.04

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Solution

The fourth proportional to 8,760.64, 13,140.96 and 3,563.04 is: 5,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.64 : 13,140.96 = 3,563.04 : x
  2. Step 2: Convert to fraction form
    8,760.64/13,140.96 = 3,563.04/x
  3. Step 3: Cross multiply
    8,760.64x = 13,140.96 × 3,563.04
  4. Step 4: Simplify right side
    8,760.64x = 46,821,766.12
  5. Step 5: Solve for x
    x = 46,821,766.12/8,760.64
  6. Step 6: Final answer
    x = 5,344.56

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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.