Home / 4,039.77-5,569.70-2,620.97

Finding the Fourth Proportional to 4,039.77, 5,569.70 and 2,620.97

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Solution

The fourth proportional to 4,039.77, 5,569.70 and 2,620.97 is: 3,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.77 : 5,569.70 = 2,620.97 : x
  2. Step 2: Convert to fraction form
    4,039.77/5,569.70 = 2,620.97/x
  3. Step 3: Cross multiply
    4,039.77x = 5,569.70 × 2,620.97
  4. Step 4: Simplify right side
    4,039.77x = 14,597,975.66
  5. Step 5: Solve for x
    x = 14,597,975.66/4,039.77
  6. Step 6: Final answer
    x = 3,613.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.