Home / 4,587.38-6,880.09-2,119.87

Finding the Fourth Proportional to 4,587.38, 6,880.09 and 2,119.87

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Solution

The fourth proportional to 4,587.38, 6,880.09 and 2,119.87 is: 3,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.38 : 6,880.09 = 2,119.87 : x
  2. Step 2: Convert to fraction form
    4,587.38/6,880.09 = 2,119.87/x
  3. Step 3: Cross multiply
    4,587.38x = 6,880.09 × 2,119.87
  4. Step 4: Simplify right side
    4,587.38x = 14,584,903.66
  5. Step 5: Solve for x
    x = 14,584,903.66/4,587.38
  6. Step 6: Final answer
    x = 3,179.35

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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.