Home / 7,198.76-10,799.60-3,038.78

Finding the Fourth Proportional to 7,198.76, 10,799.60 and 3,038.78

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Solution

The fourth proportional to 7,198.76, 10,799.60 and 3,038.78 is: 4,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.76 : 10,799.60 = 3,038.78 : x
  2. Step 2: Convert to fraction form
    7,198.76/10,799.60 = 3,038.78/x
  3. Step 3: Cross multiply
    7,198.76x = 10,799.60 × 3,038.78
  4. Step 4: Simplify right side
    7,198.76x = 32,817,539.30
  5. Step 5: Solve for x
    x = 32,817,539.30/7,198.76
  6. Step 6: Final answer
    x = 4,558.78

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1.5x scale

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.