Home / 6,780.08-9,356.42-3,795.92

Finding the Fourth Proportional to 6,780.08, 9,356.42 and 3,795.92

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Solution

The fourth proportional to 6,780.08, 9,356.42 and 3,795.92 is: 5,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.08 : 9,356.42 = 3,795.92 : x
  2. Step 2: Convert to fraction form
    6,780.08/9,356.42 = 3,795.92/x
  3. Step 3: Cross multiply
    6,780.08x = 9,356.42 × 3,795.92
  4. Step 4: Simplify right side
    6,780.08x = 35,516,221.81
  5. Step 5: Solve for x
    x = 35,516,221.81/6,780.08
  6. Step 6: Final answer
    x = 5,238.32

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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.