Home / 7,579.22-11,347.86-3,873.47

Finding the Fourth Proportional to 7,579.22, 11,347.86 and 3,873.47

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Solution

The fourth proportional to 7,579.22, 11,347.86 and 3,873.47 is: 5,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.22 : 11,347.86 = 3,873.47 : x
  2. Step 2: Convert to fraction form
    7,579.22/11,347.86 = 3,873.47/x
  3. Step 3: Cross multiply
    7,579.22x = 11,347.86 × 3,873.47
  4. Step 4: Simplify right side
    7,579.22x = 43,955,553.06
  5. Step 5: Solve for x
    x = 43,955,553.06/7,579.22
  6. Step 6: Final answer
    x = 5,799.49

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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.