Home / 6,918.23-10,377.32-1,724.11

Finding the Fourth Proportional to 6,918.23, 10,377.32 and 1,724.11

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Solution

The fourth proportional to 6,918.23, 10,377.32 and 1,724.11 is: 2,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.23 : 10,377.32 = 1,724.11 : x
  2. Step 2: Convert to fraction form
    6,918.23/10,377.32 = 1,724.11/x
  3. Step 3: Cross multiply
    6,918.23x = 10,377.32 × 1,724.11
  4. Step 4: Simplify right side
    6,918.23x = 17,891,606.62
  5. Step 5: Solve for x
    x = 17,891,606.62/6,918.23
  6. Step 6: Final answer
    x = 2,586.15

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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.