Home / 10,370.27-15,555.40-2,579.09

Finding the Fourth Proportional to 10,370.27, 15,555.40 and 2,579.09

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Solution

The fourth proportional to 10,370.27, 15,555.40 and 2,579.09 is: 3,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.27 : 15,555.40 = 2,579.09 : x
  2. Step 2: Convert to fraction form
    10,370.27/15,555.40 = 2,579.09/x
  3. Step 3: Cross multiply
    10,370.27x = 15,555.40 × 2,579.09
  4. Step 4: Simplify right side
    10,370.27x = 40,118,692.36
  5. Step 5: Solve for x
    x = 40,118,692.36/10,370.27
  6. Step 6: Final answer
    x = 3,868.62

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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.