Home / 4,843.79-6,685.30-2,854.23

Finding the Fourth Proportional to 4,843.79, 6,685.30 and 2,854.23

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Solution

The fourth proportional to 4,843.79, 6,685.30 and 2,854.23 is: 3,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.79 : 6,685.30 = 2,854.23 : x
  2. Step 2: Convert to fraction form
    4,843.79/6,685.30 = 2,854.23/x
  3. Step 3: Cross multiply
    4,843.79x = 6,685.30 × 2,854.23
  4. Step 4: Simplify right side
    4,843.79x = 19,081,383.82
  5. Step 5: Solve for x
    x = 19,081,383.82/4,843.79
  6. Step 6: Final answer
    x = 3,939.35

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Double scale
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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.