Home / 4,491.24-6,722.40-2,406

Finding the Fourth Proportional to 4,491.24, 6,722.40 and 2,406

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Solution

The fourth proportional to 4,491.24, 6,722.40 and 2,406 is: 3,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.24 : 6,722.40 = 2,406 : x
  2. Step 2: Convert to fraction form
    4,491.24/6,722.40 = 2,406/x
  3. Step 3: Cross multiply
    4,491.24x = 6,722.40 × 2,406
  4. Step 4: Simplify right side
    4,491.24x = 16,174,094.40
  5. Step 5: Solve for x
    x = 16,174,094.40/4,491.24
  6. Step 6: Final answer
    x = 3,601.25

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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.