Home / 5,005.40-6,907.61-3,015.90

Finding the Fourth Proportional to 5,005.40, 6,907.61 and 3,015.90

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Solution

The fourth proportional to 5,005.40, 6,907.61 and 3,015.90 is: 4,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.40 : 6,907.61 = 3,015.90 : x
  2. Step 2: Convert to fraction form
    5,005.40/6,907.61 = 3,015.90/x
  3. Step 3: Cross multiply
    5,005.40x = 6,907.61 × 3,015.90
  4. Step 4: Simplify right side
    5,005.40x = 20,832,668.54
  5. Step 5: Solve for x
    x = 20,832,668.54/5,005.40
  6. Step 6: Final answer
    x = 4,162.04

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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.