Home / 8,731.56-13,089.78-2,884.44

Finding the Fourth Proportional to 8,731.56, 13,089.78 and 2,884.44

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Solution

The fourth proportional to 8,731.56, 13,089.78 and 2,884.44 is: 4,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.56 : 13,089.78 = 2,884.44 : x
  2. Step 2: Convert to fraction form
    8,731.56/13,089.78 = 2,884.44/x
  3. Step 3: Cross multiply
    8,731.56x = 13,089.78 × 2,884.44
  4. Step 4: Simplify right side
    8,731.56x = 37,756,685.02
  5. Step 5: Solve for x
    x = 37,756,685.02/8,731.56
  6. Step 6: Final answer
    x = 4,324.16

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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.