Home / 7,179.32-9,907.50-4,035.56

Finding the Fourth Proportional to 7,179.32, 9,907.50 and 4,035.56

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Solution

The fourth proportional to 7,179.32, 9,907.50 and 4,035.56 is: 5,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.32 : 9,907.50 = 4,035.56 : x
  2. Step 2: Convert to fraction form
    7,179.32/9,907.50 = 4,035.56/x
  3. Step 3: Cross multiply
    7,179.32x = 9,907.50 × 4,035.56
  4. Step 4: Simplify right side
    7,179.32x = 39,982,310.70
  5. Step 5: Solve for x
    x = 39,982,310.70/7,179.32
  6. Step 6: Final answer
    x = 5,569.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.