Home / 4,919.81-7,382.96-2,323.01

Finding the Fourth Proportional to 4,919.81, 7,382.96 and 2,323.01

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Solution

The fourth proportional to 4,919.81, 7,382.96 and 2,323.01 is: 3,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.81 : 7,382.96 = 2,323.01 : x
  2. Step 2: Convert to fraction form
    4,919.81/7,382.96 = 2,323.01/x
  3. Step 3: Cross multiply
    4,919.81x = 7,382.96 × 2,323.01
  4. Step 4: Simplify right side
    4,919.81x = 17,150,678.29
  5. Step 5: Solve for x
    x = 17,150,678.29/4,919.81
  6. Step 6: Final answer
    x = 3,486.04

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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.