Home / 7,428.92-11,143.72-3,043.30

Finding the Fourth Proportional to 7,428.92, 11,143.72 and 3,043.30

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Solution

The fourth proportional to 7,428.92, 11,143.72 and 3,043.30 is: 4,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.92 : 11,143.72 = 3,043.30 : x
  2. Step 2: Convert to fraction form
    7,428.92/11,143.72 = 3,043.30/x
  3. Step 3: Cross multiply
    7,428.92x = 11,143.72 × 3,043.30
  4. Step 4: Simplify right side
    7,428.92x = 33,913,683.08
  5. Step 5: Solve for x
    x = 33,913,683.08/7,428.92
  6. Step 6: Final answer
    x = 4,565.09

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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.