Home / 6,451.20-8,901.90-3,799.26

Finding the Fourth Proportional to 6,451.20, 8,901.90 and 3,799.26

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Solution

The fourth proportional to 6,451.20, 8,901.90 and 3,799.26 is: 5,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.20 : 8,901.90 = 3,799.26 : x
  2. Step 2: Convert to fraction form
    6,451.20/8,901.90 = 3,799.26/x
  3. Step 3: Cross multiply
    6,451.20x = 8,901.90 × 3,799.26
  4. Step 4: Simplify right side
    6,451.20x = 33,820,632.59
  5. Step 5: Solve for x
    x = 33,820,632.59/6,451.20
  6. Step 6: Final answer
    x = 5,242.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.