Home / 6,928.87-9,561.83-3,742.16

Finding the Fourth Proportional to 6,928.87, 9,561.83 and 3,742.16

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Solution

The fourth proportional to 6,928.87, 9,561.83 and 3,742.16 is: 5,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.87 : 9,561.83 = 3,742.16 : x
  2. Step 2: Convert to fraction form
    6,928.87/9,561.83 = 3,742.16/x
  3. Step 3: Cross multiply
    6,928.87x = 9,561.83 × 3,742.16
  4. Step 4: Simplify right side
    6,928.87x = 35,781,947.64
  5. Step 5: Solve for x
    x = 35,781,947.64/6,928.87
  6. Step 6: Final answer
    x = 5,164.19

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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.