Home / 7,057.38-10,585.89-1,863.30

Finding the Fourth Proportional to 7,057.38, 10,585.89 and 1,863.30

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Solution

The fourth proportional to 7,057.38, 10,585.89 and 1,863.30 is: 2,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.38 : 10,585.89 = 1,863.30 : x
  2. Step 2: Convert to fraction form
    7,057.38/10,585.89 = 1,863.30/x
  3. Step 3: Cross multiply
    7,057.38x = 10,585.89 × 1,863.30
  4. Step 4: Simplify right side
    7,057.38x = 19,724,688.84
  5. Step 5: Solve for x
    x = 19,724,688.84/7,057.38
  6. Step 6: Final answer
    x = 2,794.90

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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.