Home / 4,642.25-6,406.71-2,546.78

Finding the Fourth Proportional to 4,642.25, 6,406.71 and 2,546.78

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Solution

The fourth proportional to 4,642.25, 6,406.71 and 2,546.78 is: 3,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.25 : 6,406.71 = 2,546.78 : x
  2. Step 2: Convert to fraction form
    4,642.25/6,406.71 = 2,546.78/x
  3. Step 3: Cross multiply
    4,642.25x = 6,406.71 × 2,546.78
  4. Step 4: Simplify right side
    4,642.25x = 16,316,480.89
  5. Step 5: Solve for x
    x = 16,316,480.89/4,642.25
  6. Step 6: Final answer
    x = 3,514.78

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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.