Home / 5,639.66-7,782.67-3,372.04

Finding the Fourth Proportional to 5,639.66, 7,782.67 and 3,372.04

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Solution

The fourth proportional to 5,639.66, 7,782.67 and 3,372.04 is: 4,653.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.66 : 7,782.67 = 3,372.04 : x
  2. Step 2: Convert to fraction form
    5,639.66/7,782.67 = 3,372.04/x
  3. Step 3: Cross multiply
    5,639.66x = 7,782.67 × 3,372.04
  4. Step 4: Simplify right side
    5,639.66x = 26,243,446.66
  5. Step 5: Solve for x
    x = 26,243,446.66/5,639.66
  6. Step 6: Final answer
    x = 4,653.38

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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.