Home / 6,979.80-9,632.05-3,835.92

Finding the Fourth Proportional to 6,979.80, 9,632.05 and 3,835.92

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Solution

The fourth proportional to 6,979.80, 9,632.05 and 3,835.92 is: 5,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.80 : 9,632.05 = 3,835.92 : x
  2. Step 2: Convert to fraction form
    6,979.80/9,632.05 = 3,835.92/x
  3. Step 3: Cross multiply
    6,979.80x = 9,632.05 × 3,835.92
  4. Step 4: Simplify right side
    6,979.80x = 36,947,773.24
  5. Step 5: Solve for x
    x = 36,947,773.24/6,979.80
  6. Step 6: Final answer
    x = 5,293.53

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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.