Home / 6,782.16-10,175.40-3,702

Finding the Fourth Proportional to 6,782.16, 10,175.40 and 3,702

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Solution

The fourth proportional to 6,782.16, 10,175.40 and 3,702 is: 5,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.16 : 10,175.40 = 3,702 : x
  2. Step 2: Convert to fraction form
    6,782.16/10,175.40 = 3,702/x
  3. Step 3: Cross multiply
    6,782.16x = 10,175.40 × 3,702
  4. Step 4: Simplify right side
    6,782.16x = 37,669,330.80
  5. Step 5: Solve for x
    x = 37,669,330.80/6,782.16
  6. Step 6: Final answer
    x = 5,554.18

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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.