Home / 7,853.96-10,838.55-4,268.92

Finding the Fourth Proportional to 7,853.96, 10,838.55 and 4,268.92

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Solution

The fourth proportional to 7,853.96, 10,838.55 and 4,268.92 is: 5,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.96 : 10,838.55 = 4,268.92 : x
  2. Step 2: Convert to fraction form
    7,853.96/10,838.55 = 4,268.92/x
  3. Step 3: Cross multiply
    7,853.96x = 10,838.55 × 4,268.92
  4. Step 4: Simplify right side
    7,853.96x = 46,268,902.87
  5. Step 5: Solve for x
    x = 46,268,902.87/7,853.96
  6. Step 6: Final answer
    x = 5,891.16

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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.