Home / 5,838.60-8,754.86-2,140.68

Finding the Fourth Proportional to 5,838.60, 8,754.86 and 2,140.68

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Solution

The fourth proportional to 5,838.60, 8,754.86 and 2,140.68 is: 3,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,838.60 : 8,754.86 = 2,140.68 : x
  2. Step 2: Convert to fraction form
    5,838.60/8,754.86 = 2,140.68/x
  3. Step 3: Cross multiply
    5,838.60x = 8,754.86 × 2,140.68
  4. Step 4: Simplify right side
    5,838.60x = 18,741,353.70
  5. Step 5: Solve for x
    x = 18,741,353.70/5,838.60
  6. Step 6: Final answer
    x = 3,209.91

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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.