Home / 10,242.91-15,362.58-2,845.39

Finding the Fourth Proportional to 10,242.91, 15,362.58 and 2,845.39

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Solution

The fourth proportional to 10,242.91, 15,362.58 and 2,845.39 is: 4,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.91 : 15,362.58 = 2,845.39 : x
  2. Step 2: Convert to fraction form
    10,242.91/15,362.58 = 2,845.39/x
  3. Step 3: Cross multiply
    10,242.91x = 15,362.58 × 2,845.39
  4. Step 4: Simplify right side
    10,242.91x = 43,712,531.51
  5. Step 5: Solve for x
    x = 43,712,531.51/10,242.91
  6. Step 6: Final answer
    x = 4,267.59

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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.