Home / 6,780.28-9,355.70-3,796.24

Finding the Fourth Proportional to 6,780.28, 9,355.70 and 3,796.24

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Solution

The fourth proportional to 6,780.28, 9,355.70 and 3,796.24 is: 5,238.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.28 : 9,355.70 = 3,796.24 : x
  2. Step 2: Convert to fraction form
    6,780.28/9,355.70 = 3,796.24/x
  3. Step 3: Cross multiply
    6,780.28x = 9,355.70 × 3,796.24
  4. Step 4: Simplify right side
    6,780.28x = 35,516,435.79
  5. Step 5: Solve for x
    x = 35,516,435.79/6,780.28
  6. Step 6: Final answer
    x = 5,238.20

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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.