Home / 6,221.68-8,585.28-3,568.88

Finding the Fourth Proportional to 6,221.68, 8,585.28 and 3,568.88

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Solution

The fourth proportional to 6,221.68, 8,585.28 and 3,568.88 is: 4,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.68 : 8,585.28 = 3,568.88 : x
  2. Step 2: Convert to fraction form
    6,221.68/8,585.28 = 3,568.88/x
  3. Step 3: Cross multiply
    6,221.68x = 8,585.28 × 3,568.88
  4. Step 4: Simplify right side
    6,221.68x = 30,639,834.09
  5. Step 5: Solve for x
    x = 30,639,834.09/6,221.68
  6. Step 6: Final answer
    x = 4,924.69

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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.