Home / 6,918.50-10,377.82-1,724.36

Finding the Fourth Proportional to 6,918.50, 10,377.82 and 1,724.36

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Solution

The fourth proportional to 6,918.50, 10,377.82 and 1,724.36 is: 2,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.50 : 10,377.82 = 1,724.36 : x
  2. Step 2: Convert to fraction form
    6,918.50/10,377.82 = 1,724.36/x
  3. Step 3: Cross multiply
    6,918.50x = 10,377.82 × 1,724.36
  4. Step 4: Simplify right side
    6,918.50x = 17,895,097.70
  5. Step 5: Solve for x
    x = 17,895,097.70/6,918.50
  6. Step 6: Final answer
    x = 2,586.56

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1.5x scale

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.