Home / 6,838.22-9,437.61-3,854.79

Finding the Fourth Proportional to 6,838.22, 9,437.61 and 3,854.79

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Solution

The fourth proportional to 6,838.22, 9,437.61 and 3,854.79 is: 5,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.22 : 9,437.61 = 3,854.79 : x
  2. Step 2: Convert to fraction form
    6,838.22/9,437.61 = 3,854.79/x
  3. Step 3: Cross multiply
    6,838.22x = 9,437.61 × 3,854.79
  4. Step 4: Simplify right side
    6,838.22x = 36,380,004.65
  5. Step 5: Solve for x
    x = 36,380,004.65/6,838.22
  6. Step 6: Final answer
    x = 5,320.10

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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.