Home / 6,782.18-10,173.37-2,102.13

Finding the Fourth Proportional to 6,782.18, 10,173.37 and 2,102.13

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Solution

The fourth proportional to 6,782.18, 10,173.37 and 2,102.13 is: 3,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.18 : 10,173.37 = 2,102.13 : x
  2. Step 2: Convert to fraction form
    6,782.18/10,173.37 = 2,102.13/x
  3. Step 3: Cross multiply
    6,782.18x = 10,173.37 × 2,102.13
  4. Step 4: Simplify right side
    6,782.18x = 21,385,766.46
  5. Step 5: Solve for x
    x = 21,385,766.46/6,782.18
  6. Step 6: Final answer
    x = 3,153.23

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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.