Home / 7,179.38-9,907.71-4,035.62

Finding the Fourth Proportional to 7,179.38, 9,907.71 and 4,035.62

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Solution

The fourth proportional to 7,179.38, 9,907.71 and 4,035.62 is: 5,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.38 : 9,907.71 = 4,035.62 : x
  2. Step 2: Convert to fraction form
    7,179.38/9,907.71 = 4,035.62/x
  3. Step 3: Cross multiply
    7,179.38x = 9,907.71 × 4,035.62
  4. Step 4: Simplify right side
    7,179.38x = 39,983,752.63
  5. Step 5: Solve for x
    x = 39,983,752.63/7,179.38
  6. Step 6: Final answer
    x = 5,569.25

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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.