Home / 8,684.40-13,022.76-2,528.88

Finding the Fourth Proportional to 8,684.40, 13,022.76 and 2,528.88

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Solution

The fourth proportional to 8,684.40, 13,022.76 and 2,528.88 is: 3,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.40 : 13,022.76 = 2,528.88 : x
  2. Step 2: Convert to fraction form
    8,684.40/13,022.76 = 2,528.88/x
  3. Step 3: Cross multiply
    8,684.40x = 13,022.76 × 2,528.88
  4. Step 4: Simplify right side
    8,684.40x = 32,932,997.31
  5. Step 5: Solve for x
    x = 32,932,997.31/8,684.40
  6. Step 6: Final answer
    x = 3,792.20

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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.