Home / 4,476.36-6,719.13-2,991.09

Finding the Fourth Proportional to 4,476.36, 6,719.13 and 2,991.09

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Solution

The fourth proportional to 4,476.36, 6,719.13 and 2,991.09 is: 4,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.36 : 6,719.13 = 2,991.09 : x
  2. Step 2: Convert to fraction form
    4,476.36/6,719.13 = 2,991.09/x
  3. Step 3: Cross multiply
    4,476.36x = 6,719.13 × 2,991.09
  4. Step 4: Simplify right side
    4,476.36x = 20,097,522.55
  5. Step 5: Solve for x
    x = 20,097,522.55/4,476.36
  6. Step 6: Final answer
    x = 4,489.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.