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Finding the Fourth Proportional to 4,867.82, 7,302.25 and 4,605.42

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Solution

The fourth proportional to 4,867.82, 7,302.25 and 4,605.42 is: 6,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.82 : 7,302.25 = 4,605.42 : x
  2. Step 2: Convert to fraction form
    4,867.82/7,302.25 = 4,605.42/x
  3. Step 3: Cross multiply
    4,867.82x = 7,302.25 × 4,605.42
  4. Step 4: Simplify right side
    4,867.82x = 33,629,928.20
  5. Step 5: Solve for x
    x = 33,629,928.20/4,867.82
  6. Step 6: Final answer
    x = 6,908.62

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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.