Home / 4,259.79-5,876.84-3,143.41

Finding the Fourth Proportional to 4,259.79, 5,876.84 and 3,143.41

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Solution

The fourth proportional to 4,259.79, 5,876.84 and 3,143.41 is: 4,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.79 : 5,876.84 = 3,143.41 : x
  2. Step 2: Convert to fraction form
    4,259.79/5,876.84 = 3,143.41/x
  3. Step 3: Cross multiply
    4,259.79x = 5,876.84 × 3,143.41
  4. Step 4: Simplify right side
    4,259.79x = 18,473,310.79
  5. Step 5: Solve for x
    x = 18,473,310.79/4,259.79
  6. Step 6: Final answer
    x = 4,336.67

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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.