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Finding the Fourth Proportional to 4,557.77, 6,839.53 and 2,613.77

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Solution

The fourth proportional to 4,557.77, 6,839.53 and 2,613.77 is: 3,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.77 : 6,839.53 = 2,613.77 : x
  2. Step 2: Convert to fraction form
    4,557.77/6,839.53 = 2,613.77/x
  3. Step 3: Cross multiply
    4,557.77x = 6,839.53 × 2,613.77
  4. Step 4: Simplify right side
    4,557.77x = 17,876,917.60
  5. Step 5: Solve for x
    x = 17,876,917.60/4,557.77
  6. Step 6: Final answer
    x = 3,922.30

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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.