Home / 4,277.78-6,385.71-3,696.51

Finding the Fourth Proportional to 4,277.78, 6,385.71 and 3,696.51

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Solution

The fourth proportional to 4,277.78, 6,385.71 and 3,696.51 is: 5,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.78 : 6,385.71 = 3,696.51 : x
  2. Step 2: Convert to fraction form
    4,277.78/6,385.71 = 3,696.51/x
  3. Step 3: Cross multiply
    4,277.78x = 6,385.71 × 3,696.51
  4. Step 4: Simplify right side
    4,277.78x = 23,604,878.68
  5. Step 5: Solve for x
    x = 23,604,878.68/4,277.78
  6. Step 6: Final answer
    x = 5,518.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.