Home / 6,728.39-10,092.53-2,781.77

Finding the Fourth Proportional to 6,728.39, 10,092.53 and 2,781.77

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Solution

The fourth proportional to 6,728.39, 10,092.53 and 2,781.77 is: 4,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.39 : 10,092.53 = 2,781.77 : x
  2. Step 2: Convert to fraction form
    6,728.39/10,092.53 = 2,781.77/x
  3. Step 3: Cross multiply
    6,728.39x = 10,092.53 × 2,781.77
  4. Step 4: Simplify right side
    6,728.39x = 28,075,097.18
  5. Step 5: Solve for x
    x = 28,075,097.18/6,728.39
  6. Step 6: Final answer
    x = 4,172.63

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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.