Home / 4,811.88-6,642.62-3,396.72

Finding the Fourth Proportional to 4,811.88, 6,642.62 and 3,396.72

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Solution

The fourth proportional to 4,811.88, 6,642.62 and 3,396.72 is: 4,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.88 : 6,642.62 = 3,396.72 : x
  2. Step 2: Convert to fraction form
    4,811.88/6,642.62 = 3,396.72/x
  3. Step 3: Cross multiply
    4,811.88x = 6,642.62 × 3,396.72
  4. Step 4: Simplify right side
    4,811.88x = 22,563,120.21
  5. Step 5: Solve for x
    x = 22,563,120.21/4,811.88
  6. Step 6: Final answer
    x = 4,689.04

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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.