Home / 7,491.78-11,239.83-2,298.42

Finding the Fourth Proportional to 7,491.78, 11,239.83 and 2,298.42

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Solution

The fourth proportional to 7,491.78, 11,239.83 and 2,298.42 is: 3,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.78 : 11,239.83 = 2,298.42 : x
  2. Step 2: Convert to fraction form
    7,491.78/11,239.83 = 2,298.42/x
  3. Step 3: Cross multiply
    7,491.78x = 11,239.83 × 2,298.42
  4. Step 4: Simplify right side
    7,491.78x = 25,833,850.07
  5. Step 5: Solve for x
    x = 25,833,850.07/7,491.78
  6. Step 6: Final answer
    x = 3,448.29

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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.