Home / 7,493.03-11,239.55-3,109.31

Finding the Fourth Proportional to 7,493.03, 11,239.55 and 3,109.31

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Solution

The fourth proportional to 7,493.03, 11,239.55 and 3,109.31 is: 4,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.03 : 11,239.55 = 3,109.31 : x
  2. Step 2: Convert to fraction form
    7,493.03/11,239.55 = 3,109.31/x
  3. Step 3: Cross multiply
    7,493.03x = 11,239.55 × 3,109.31
  4. Step 4: Simplify right side
    7,493.03x = 34,947,173.47
  5. Step 5: Solve for x
    x = 34,947,173.47/7,493.03
  6. Step 6: Final answer
    x = 4,663.96

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1.5x scale

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.