Home / 6,439.74-9,653.13-2,972.94

Finding the Fourth Proportional to 6,439.74, 9,653.13 and 2,972.94

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Solution

The fourth proportional to 6,439.74, 9,653.13 and 2,972.94 is: 4,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.74 : 9,653.13 = 2,972.94 : x
  2. Step 2: Convert to fraction form
    6,439.74/9,653.13 = 2,972.94/x
  3. Step 3: Cross multiply
    6,439.74x = 9,653.13 × 2,972.94
  4. Step 4: Simplify right side
    6,439.74x = 28,698,176.30
  5. Step 5: Solve for x
    x = 28,698,176.30/6,439.74
  6. Step 6: Final answer
    x = 4,456.42

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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.