Home / 7,406.13-11,109.19-2,965.81

Finding the Fourth Proportional to 7,406.13, 11,109.19 and 2,965.81

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Solution

The fourth proportional to 7,406.13, 11,109.19 and 2,965.81 is: 4,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.13 : 11,109.19 = 2,965.81 : x
  2. Step 2: Convert to fraction form
    7,406.13/11,109.19 = 2,965.81/x
  3. Step 3: Cross multiply
    7,406.13x = 11,109.19 × 2,965.81
  4. Step 4: Simplify right side
    7,406.13x = 32,947,702.58
  5. Step 5: Solve for x
    x = 32,947,702.58/7,406.13
  6. Step 6: Final answer
    x = 4,448.71

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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.