Home / 4,103.76-6,149.28-2,715.60

Finding the Fourth Proportional to 4,103.76, 6,149.28 and 2,715.60

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Solution

The fourth proportional to 4,103.76, 6,149.28 and 2,715.60 is: 4,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.76 : 6,149.28 = 2,715.60 : x
  2. Step 2: Convert to fraction form
    4,103.76/6,149.28 = 2,715.60/x
  3. Step 3: Cross multiply
    4,103.76x = 6,149.28 × 2,715.60
  4. Step 4: Simplify right side
    4,103.76x = 16,698,984.77
  5. Step 5: Solve for x
    x = 16,698,984.77/4,103.76
  6. Step 6: Final answer
    x = 4,069.19

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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.