Home / 7,331.30-10,994.22-2,947.28

Finding the Fourth Proportional to 7,331.30, 10,994.22 and 2,947.28

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Solution

The fourth proportional to 7,331.30, 10,994.22 and 2,947.28 is: 4,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.30 : 10,994.22 = 2,947.28 : x
  2. Step 2: Convert to fraction form
    7,331.30/10,994.22 = 2,947.28/x
  3. Step 3: Cross multiply
    7,331.30x = 10,994.22 × 2,947.28
  4. Step 4: Simplify right side
    7,331.30x = 32,403,044.72
  5. Step 5: Solve for x
    x = 32,403,044.72/7,331.30
  6. Step 6: Final answer
    x = 4,419.82

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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.