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Finding the Fourth Proportional to 4,643.82, 6,957.63 and 3,868.80

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Solution

The fourth proportional to 4,643.82, 6,957.63 and 3,868.80 is: 5,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.82 : 6,957.63 = 3,868.80 : x
  2. Step 2: Convert to fraction form
    4,643.82/6,957.63 = 3,868.80/x
  3. Step 3: Cross multiply
    4,643.82x = 6,957.63 × 3,868.80
  4. Step 4: Simplify right side
    4,643.82x = 26,917,678.94
  5. Step 5: Solve for x
    x = 26,917,678.94/4,643.82
  6. Step 6: Final answer
    x = 5,796.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.