Home / 4,738.38-6,539.09-2,642.64

Finding the Fourth Proportional to 4,738.38, 6,539.09 and 2,642.64

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Solution

The fourth proportional to 4,738.38, 6,539.09 and 2,642.64 is: 3,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.38 : 6,539.09 = 2,642.64 : x
  2. Step 2: Convert to fraction form
    4,738.38/6,539.09 = 2,642.64/x
  3. Step 3: Cross multiply
    4,738.38x = 6,539.09 × 2,642.64
  4. Step 4: Simplify right side
    4,738.38x = 17,280,460.80
  5. Step 5: Solve for x
    x = 17,280,460.80/4,738.38
  6. Step 6: Final answer
    x = 3,646.91

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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.