Home / 8,100.24-12,150.36-2,256.86

Finding the Fourth Proportional to 8,100.24, 12,150.36 and 2,256.86

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Solution

The fourth proportional to 8,100.24, 12,150.36 and 2,256.86 is: 3,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.24 : 12,150.36 = 2,256.86 : x
  2. Step 2: Convert to fraction form
    8,100.24/12,150.36 = 2,256.86/x
  3. Step 3: Cross multiply
    8,100.24x = 12,150.36 × 2,256.86
  4. Step 4: Simplify right side
    8,100.24x = 27,421,661.47
  5. Step 5: Solve for x
    x = 27,421,661.47/8,100.24
  6. Step 6: Final answer
    x = 3,385.29

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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.