Home / 4,815.50-7,226.13-2,079.50

Finding the Fourth Proportional to 4,815.50, 7,226.13 and 2,079.50

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Solution

The fourth proportional to 4,815.50, 7,226.13 and 2,079.50 is: 3,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.50 : 7,226.13 = 2,079.50 : x
  2. Step 2: Convert to fraction form
    4,815.50/7,226.13 = 2,079.50/x
  3. Step 3: Cross multiply
    4,815.50x = 7,226.13 × 2,079.50
  4. Step 4: Simplify right side
    4,815.50x = 15,026,737.34
  5. Step 5: Solve for x
    x = 15,026,737.34/4,815.50
  6. Step 6: Final answer
    x = 3,120.49

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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.