Home / 10,240.56-15,358.41-2,845.26

Finding the Fourth Proportional to 10,240.56, 15,358.41 and 2,845.26

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Solution

The fourth proportional to 10,240.56, 15,358.41 and 2,845.26 is: 4,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.56 : 15,358.41 = 2,845.26 : x
  2. Step 2: Convert to fraction form
    10,240.56/15,358.41 = 2,845.26/x
  3. Step 3: Cross multiply
    10,240.56x = 15,358.41 × 2,845.26
  4. Step 4: Simplify right side
    10,240.56x = 43,698,669.64
  5. Step 5: Solve for x
    x = 43,698,669.64/10,240.56
  6. Step 6: Final answer
    x = 4,267.21

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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.