Home / 7,042.58-10,557.05-3,919.73

Finding the Fourth Proportional to 7,042.58, 10,557.05 and 3,919.73

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Solution

The fourth proportional to 7,042.58, 10,557.05 and 3,919.73 is: 5,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.58 : 10,557.05 = 3,919.73 : x
  2. Step 2: Convert to fraction form
    7,042.58/10,557.05 = 3,919.73/x
  3. Step 3: Cross multiply
    7,042.58x = 10,557.05 × 3,919.73
  4. Step 4: Simplify right side
    7,042.58x = 41,380,766.00
  5. Step 5: Solve for x
    x = 41,380,766.00/7,042.58
  6. Step 6: Final answer
    x = 5,875.80

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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.