Home / 4,996.78-7,490.29-3,240.70

Finding the Fourth Proportional to 4,996.78, 7,490.29 and 3,240.70

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Solution

The fourth proportional to 4,996.78, 7,490.29 and 3,240.70 is: 4,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.78 : 7,490.29 = 3,240.70 : x
  2. Step 2: Convert to fraction form
    4,996.78/7,490.29 = 3,240.70/x
  3. Step 3: Cross multiply
    4,996.78x = 7,490.29 × 3,240.70
  4. Step 4: Simplify right side
    4,996.78x = 24,273,782.80
  5. Step 5: Solve for x
    x = 24,273,782.80/4,996.78
  6. Step 6: Final answer
    x = 4,857.89

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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.