Home / 6,781.77-10,172.50-2,399.27

Finding the Fourth Proportional to 6,781.77, 10,172.50 and 2,399.27

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Solution

The fourth proportional to 6,781.77, 10,172.50 and 2,399.27 is: 3,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781.77 : 10,172.50 = 2,399.27 : x
  2. Step 2: Convert to fraction form
    6,781.77/10,172.50 = 2,399.27/x
  3. Step 3: Cross multiply
    6,781.77x = 10,172.50 × 2,399.27
  4. Step 4: Simplify right side
    6,781.77x = 24,406,517.21
  5. Step 5: Solve for x
    x = 24,406,517.21/6,781.77
  6. Step 6: Final answer
    x = 3,598.84

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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.