Home / 4,991.11-6,889.16-3,499.39

Finding the Fourth Proportional to 4,991.11, 6,889.16 and 3,499.39

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Solution

The fourth proportional to 4,991.11, 6,889.16 and 3,499.39 is: 4,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.11 : 6,889.16 = 3,499.39 : x
  2. Step 2: Convert to fraction form
    4,991.11/6,889.16 = 3,499.39/x
  3. Step 3: Cross multiply
    4,991.11x = 6,889.16 × 3,499.39
  4. Step 4: Simplify right side
    4,991.11x = 24,107,857.61
  5. Step 5: Solve for x
    x = 24,107,857.61/4,991.11
  6. Step 6: Final answer
    x = 4,830.16

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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.