Home / 4,486.49-6,731.93-3,178.65

Finding the Fourth Proportional to 4,486.49, 6,731.93 and 3,178.65

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Solution

The fourth proportional to 4,486.49, 6,731.93 and 3,178.65 is: 4,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.49 : 6,731.93 = 3,178.65 : x
  2. Step 2: Convert to fraction form
    4,486.49/6,731.93 = 3,178.65/x
  3. Step 3: Cross multiply
    4,486.49x = 6,731.93 × 3,178.65
  4. Step 4: Simplify right side
    4,486.49x = 21,398,449.29
  5. Step 5: Solve for x
    x = 21,398,449.29/4,486.49
  6. Step 6: Final answer
    x = 4,769.53

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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.