Home / 4,991.40-7,490.70-2,396.12

Finding the Fourth Proportional to 4,991.40, 7,490.70 and 2,396.12

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Solution

The fourth proportional to 4,991.40, 7,490.70 and 2,396.12 is: 3,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.40 : 7,490.70 = 2,396.12 : x
  2. Step 2: Convert to fraction form
    4,991.40/7,490.70 = 2,396.12/x
  3. Step 3: Cross multiply
    4,991.40x = 7,490.70 × 2,396.12
  4. Step 4: Simplify right side
    4,991.40x = 17,948,616.08
  5. Step 5: Solve for x
    x = 17,948,616.08/4,991.40
  6. Step 6: Final answer
    x = 3,595.91

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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.