Home / 8,399.07-12,600.23-2,555.19

Finding the Fourth Proportional to 8,399.07, 12,600.23 and 2,555.19

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Solution

The fourth proportional to 8,399.07, 12,600.23 and 2,555.19 is: 3,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.07 : 12,600.23 = 2,555.19 : x
  2. Step 2: Convert to fraction form
    8,399.07/12,600.23 = 2,555.19/x
  3. Step 3: Cross multiply
    8,399.07x = 12,600.23 × 2,555.19
  4. Step 4: Simplify right side
    8,399.07x = 32,195,968.92
  5. Step 5: Solve for x
    x = 32,195,968.92/8,399.07
  6. Step 6: Final answer
    x = 3,833.28

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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.