Home / 4,490.69-6,731.89-2,294.58

Finding the Fourth Proportional to 4,490.69, 6,731.89 and 2,294.58

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Solution

The fourth proportional to 4,490.69, 6,731.89 and 2,294.58 is: 3,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.69 : 6,731.89 = 2,294.58 : x
  2. Step 2: Convert to fraction form
    4,490.69/6,731.89 = 2,294.58/x
  3. Step 3: Cross multiply
    4,490.69x = 6,731.89 × 2,294.58
  4. Step 4: Simplify right side
    4,490.69x = 15,446,865.70
  5. Step 5: Solve for x
    x = 15,446,865.70/4,490.69
  6. Step 6: Final answer
    x = 3,439.75

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1.5x scale

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.