Home / 4,412.78-6,620.16-1,491.01

Finding the Fourth Proportional to 4,412.78, 6,620.16 and 1,491.01

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Solution

The fourth proportional to 4,412.78, 6,620.16 and 1,491.01 is: 2,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.78 : 6,620.16 = 1,491.01 : x
  2. Step 2: Convert to fraction form
    4,412.78/6,620.16 = 1,491.01/x
  3. Step 3: Cross multiply
    4,412.78x = 6,620.16 × 1,491.01
  4. Step 4: Simplify right side
    4,412.78x = 9,870,724.76
  5. Step 5: Solve for x
    x = 9,870,724.76/4,412.78
  6. Step 6: Final answer
    x = 2,236.85

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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.