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Finding the Fourth Proportional to 6,995, 10,490.58 and 2,614.20

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Solution

The fourth proportional to 6,995, 10,490.58 and 2,614.20 is: 3,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995 : 10,490.58 = 2,614.20 : x
  2. Step 2: Convert to fraction form
    6,995/10,490.58 = 2,614.20/x
  3. Step 3: Cross multiply
    6,995x = 10,490.58 × 2,614.20
  4. Step 4: Simplify right side
    6,995x = 27,424,474.24
  5. Step 5: Solve for x
    x = 27,424,474.24/6,995
  6. Step 6: Final answer
    x = 3,920.58

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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.