Home / 6,679.32-10,019.89-2,782.82

Finding the Fourth Proportional to 6,679.32, 10,019.89 and 2,782.82

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Solution

The fourth proportional to 6,679.32, 10,019.89 and 2,782.82 is: 4,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.32 : 10,019.89 = 2,782.82 : x
  2. Step 2: Convert to fraction form
    6,679.32/10,019.89 = 2,782.82/x
  3. Step 3: Cross multiply
    6,679.32x = 10,019.89 × 2,782.82
  4. Step 4: Simplify right side
    6,679.32x = 27,883,500.19
  5. Step 5: Solve for x
    x = 27,883,500.19/6,679.32
  6. Step 6: Final answer
    x = 4,174.60

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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.