Home / 4,606.28-6,904.66-2,139.09

Finding the Fourth Proportional to 4,606.28, 6,904.66 and 2,139.09

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Solution

The fourth proportional to 4,606.28, 6,904.66 and 2,139.09 is: 3,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.28 : 6,904.66 = 2,139.09 : x
  2. Step 2: Convert to fraction form
    4,606.28/6,904.66 = 2,139.09/x
  3. Step 3: Cross multiply
    4,606.28x = 6,904.66 × 2,139.09
  4. Step 4: Simplify right side
    4,606.28x = 14,769,689.16
  5. Step 5: Solve for x
    x = 14,769,689.16/4,606.28
  6. Step 6: Final answer
    x = 3,206.42

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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.