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Finding the Fourth Proportional to 5,694.71, 7,858.47 and 3,304.56

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Solution

The fourth proportional to 5,694.71, 7,858.47 and 3,304.56 is: 4,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.71 : 7,858.47 = 3,304.56 : x
  2. Step 2: Convert to fraction form
    5,694.71/7,858.47 = 3,304.56/x
  3. Step 3: Cross multiply
    5,694.71x = 7,858.47 × 3,304.56
  4. Step 4: Simplify right side
    5,694.71x = 25,968,774.24
  5. Step 5: Solve for x
    x = 25,968,774.24/5,694.71
  6. Step 6: Final answer
    x = 4,560.16

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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.