Home / 4,815.81-7,224.12-1,529.19

Finding the Fourth Proportional to 4,815.81, 7,224.12 and 1,529.19

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Solution

The fourth proportional to 4,815.81, 7,224.12 and 1,529.19 is: 2,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.81 : 7,224.12 = 1,529.19 : x
  2. Step 2: Convert to fraction form
    4,815.81/7,224.12 = 1,529.19/x
  3. Step 3: Cross multiply
    4,815.81x = 7,224.12 × 1,529.19
  4. Step 4: Simplify right side
    4,815.81x = 11,047,052.06
  5. Step 5: Solve for x
    x = 11,047,052.06/4,815.81
  6. Step 6: Final answer
    x = 2,293.91

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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.