Home / 5,046.80-6,963.91-2,808.39

Finding the Fourth Proportional to 5,046.80, 6,963.91 and 2,808.39

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Solution

The fourth proportional to 5,046.80, 6,963.91 and 2,808.39 is: 3,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046.80 : 6,963.91 = 2,808.39 : x
  2. Step 2: Convert to fraction form
    5,046.80/6,963.91 = 2,808.39/x
  3. Step 3: Cross multiply
    5,046.80x = 6,963.91 × 2,808.39
  4. Step 4: Simplify right side
    5,046.80x = 19,557,368.18
  5. Step 5: Solve for x
    x = 19,557,368.18/5,046.80
  6. Step 6: Final answer
    x = 3,875.20

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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.