Home / 8,399.36-12,598.56-2,555.52

Finding the Fourth Proportional to 8,399.36, 12,598.56 and 2,555.52

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Solution

The fourth proportional to 8,399.36, 12,598.56 and 2,555.52 is: 3,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.36 : 12,598.56 = 2,555.52 : x
  2. Step 2: Convert to fraction form
    8,399.36/12,598.56 = 2,555.52/x
  3. Step 3: Cross multiply
    8,399.36x = 12,598.56 × 2,555.52
  4. Step 4: Simplify right side
    8,399.36x = 32,195,872.05
  5. Step 5: Solve for x
    x = 32,195,872.05/8,399.36
  6. Step 6: Final answer
    x = 3,833.13

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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.