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Finding the Fourth Proportional to 4,643.39, 6,965.15 and 1,523.72

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Solution

The fourth proportional to 4,643.39, 6,965.15 and 1,523.72 is: 2,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.39 : 6,965.15 = 1,523.72 : x
  2. Step 2: Convert to fraction form
    4,643.39/6,965.15 = 1,523.72/x
  3. Step 3: Cross multiply
    4,643.39x = 6,965.15 × 1,523.72
  4. Step 4: Simplify right side
    4,643.39x = 10,612,895.91
  5. Step 5: Solve for x
    x = 10,612,895.91/4,643.39
  6. Step 6: Final answer
    x = 2,285.59

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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.