Home / 6,975.28-9,621.86-4,179.16

Finding the Fourth Proportional to 6,975.28, 9,621.86 and 4,179.16

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Solution

The fourth proportional to 6,975.28, 9,621.86 and 4,179.16 is: 5,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.28 : 9,621.86 = 4,179.16 : x
  2. Step 2: Convert to fraction form
    6,975.28/9,621.86 = 4,179.16/x
  3. Step 3: Cross multiply
    6,975.28x = 9,621.86 × 4,179.16
  4. Step 4: Simplify right side
    6,975.28x = 40,211,292.44
  5. Step 5: Solve for x
    x = 40,211,292.44/6,975.28
  6. Step 6: Final answer
    x = 5,764.83

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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.