Home / 4,815.42-6,644.91-2,690.94

Finding the Fourth Proportional to 4,815.42, 6,644.91 and 2,690.94

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Solution

The fourth proportional to 4,815.42, 6,644.91 and 2,690.94 is: 3,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.42 : 6,644.91 = 2,690.94 : x
  2. Step 2: Convert to fraction form
    4,815.42/6,644.91 = 2,690.94/x
  3. Step 3: Cross multiply
    4,815.42x = 6,644.91 × 2,690.94
  4. Step 4: Simplify right side
    4,815.42x = 17,881,054.12
  5. Step 5: Solve for x
    x = 17,881,054.12/4,815.42
  6. Step 6: Final answer
    x = 3,713.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.