Home / 7,137.60-10,704.78-3,437.52

Finding the Fourth Proportional to 7,137.60, 10,704.78 and 3,437.52

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Solution

The fourth proportional to 7,137.60, 10,704.78 and 3,437.52 is: 5,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.60 : 10,704.78 = 3,437.52 : x
  2. Step 2: Convert to fraction form
    7,137.60/10,704.78 = 3,437.52/x
  3. Step 3: Cross multiply
    7,137.60x = 10,704.78 × 3,437.52
  4. Step 4: Simplify right side
    7,137.60x = 36,797,895.35
  5. Step 5: Solve for x
    x = 36,797,895.35/7,137.60
  6. Step 6: Final answer
    x = 5,155.50

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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.