Home / 4,675.78-6,454.89-3,665.71

Finding the Fourth Proportional to 4,675.78, 6,454.89 and 3,665.71

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Solution

The fourth proportional to 4,675.78, 6,454.89 and 3,665.71 is: 5,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.78 : 6,454.89 = 3,665.71 : x
  2. Step 2: Convert to fraction form
    4,675.78/6,454.89 = 3,665.71/x
  3. Step 3: Cross multiply
    4,675.78x = 6,454.89 × 3,665.71
  4. Step 4: Simplify right side
    4,675.78x = 23,661,704.22
  5. Step 5: Solve for x
    x = 23,661,704.22/4,675.78
  6. Step 6: Final answer
    x = 5,060.49

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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.