Home / 6,781.03-10,173.09-2,621.07

Finding the Fourth Proportional to 6,781.03, 10,173.09 and 2,621.07

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Solution

The fourth proportional to 6,781.03, 10,173.09 and 2,621.07 is: 3,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.03 : 10,173.09 = 2,621.07 : x
  2. Step 2: Convert to fraction form
    6,781.03/10,173.09 = 2,621.07/x
  3. Step 3: Cross multiply
    6,781.03x = 10,173.09 × 2,621.07
  4. Step 4: Simplify right side
    6,781.03x = 26,664,381.01
  5. Step 5: Solve for x
    x = 26,664,381.01/6,781.03
  6. Step 6: Final answer
    x = 3,932.20

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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.