Home / 7,209.27-10,812.83-2,829.74

Finding the Fourth Proportional to 7,209.27, 10,812.83 and 2,829.74

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Solution

The fourth proportional to 7,209.27, 10,812.83 and 2,829.74 is: 4,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.27 : 10,812.83 = 2,829.74 : x
  2. Step 2: Convert to fraction form
    7,209.27/10,812.83 = 2,829.74/x
  3. Step 3: Cross multiply
    7,209.27x = 10,812.83 × 2,829.74
  4. Step 4: Simplify right side
    7,209.27x = 30,597,429.35
  5. Step 5: Solve for x
    x = 30,597,429.35/7,209.27
  6. Step 6: Final answer
    x = 4,244.18

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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.