Home / 7,019.62-9,687.08-3,875.82

Finding the Fourth Proportional to 7,019.62, 9,687.08 and 3,875.82

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Solution

The fourth proportional to 7,019.62, 9,687.08 and 3,875.82 is: 5,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.62 : 9,687.08 = 3,875.82 : x
  2. Step 2: Convert to fraction form
    7,019.62/9,687.08 = 3,875.82/x
  3. Step 3: Cross multiply
    7,019.62x = 9,687.08 × 3,875.82
  4. Step 4: Simplify right side
    7,019.62x = 37,545,378.41
  5. Step 5: Solve for x
    x = 37,545,378.41/7,019.62
  6. Step 6: Final answer
    x = 5,348.63

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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.