Home / 4,635.91-6,397.61-2,647.56

Finding the Fourth Proportional to 4,635.91, 6,397.61 and 2,647.56

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Solution

The fourth proportional to 4,635.91, 6,397.61 and 2,647.56 is: 3,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.91 : 6,397.61 = 2,647.56 : x
  2. Step 2: Convert to fraction form
    4,635.91/6,397.61 = 2,647.56/x
  3. Step 3: Cross multiply
    4,635.91x = 6,397.61 × 2,647.56
  4. Step 4: Simplify right side
    4,635.91x = 16,938,043.09
  5. Step 5: Solve for x
    x = 16,938,043.09/4,635.91
  6. Step 6: Final answer
    x = 3,653.66

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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.