Home / 8,399.36-12,600.86-2,777.26

Finding the Fourth Proportional to 8,399.36, 12,600.86 and 2,777.26

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Solution

The fourth proportional to 8,399.36, 12,600.86 and 2,777.26 is: 4,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.36 : 12,600.86 = 2,777.26 : x
  2. Step 2: Convert to fraction form
    8,399.36/12,600.86 = 2,777.26/x
  3. Step 3: Cross multiply
    8,399.36x = 12,600.86 × 2,777.26
  4. Step 4: Simplify right side
    8,399.36x = 34,995,864.44
  5. Step 5: Solve for x
    x = 34,995,864.44/8,399.36
  6. Step 6: Final answer
    x = 4,166.49

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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.