Home / 5,815.32-8,724.79-1,922.46

Finding the Fourth Proportional to 5,815.32, 8,724.79 and 1,922.46

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Solution

The fourth proportional to 5,815.32, 8,724.79 and 1,922.46 is: 2,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.32 : 8,724.79 = 1,922.46 : x
  2. Step 2: Convert to fraction form
    5,815.32/8,724.79 = 1,922.46/x
  3. Step 3: Cross multiply
    5,815.32x = 8,724.79 × 1,922.46
  4. Step 4: Simplify right side
    5,815.32x = 16,773,011.35
  5. Step 5: Solve for x
    x = 16,773,011.35/5,815.32
  6. Step 6: Final answer
    x = 2,884.28

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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.