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Finding the Fourth Proportional to 7,601.72, 10,487.91 and 4,244

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Solution

The fourth proportional to 7,601.72, 10,487.91 and 4,244 is: 5,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.72 : 10,487.91 = 4,244 : x
  2. Step 2: Convert to fraction form
    7,601.72/10,487.91 = 4,244/x
  3. Step 3: Cross multiply
    7,601.72x = 10,487.91 × 4,244
  4. Step 4: Simplify right side
    7,601.72x = 44,510,690.04
  5. Step 5: Solve for x
    x = 44,510,690.04/7,601.72
  6. Step 6: Final answer
    x = 5,855.34

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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.