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Finding the Fourth Proportional to 4,965.93, 6,852.78 and 2,841.33

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Solution

The fourth proportional to 4,965.93, 6,852.78 and 2,841.33 is: 3,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.93 : 6,852.78 = 2,841.33 : x
  2. Step 2: Convert to fraction form
    4,965.93/6,852.78 = 2,841.33/x
  3. Step 3: Cross multiply
    4,965.93x = 6,852.78 × 2,841.33
  4. Step 4: Simplify right side
    4,965.93x = 19,471,009.40
  5. Step 5: Solve for x
    x = 19,471,009.40/4,965.93
  6. Step 6: Final answer
    x = 3,920.92

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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.