Home / 7,210.50-10,816.92-2,825.58

Finding the Fourth Proportional to 7,210.50, 10,816.92 and 2,825.58

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Solution

The fourth proportional to 7,210.50, 10,816.92 and 2,825.58 is: 4,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.50 : 10,816.92 = 2,825.58 : x
  2. Step 2: Convert to fraction form
    7,210.50/10,816.92 = 2,825.58/x
  3. Step 3: Cross multiply
    7,210.50x = 10,816.92 × 2,825.58
  4. Step 4: Simplify right side
    7,210.50x = 30,564,072.81
  5. Step 5: Solve for x
    x = 30,564,072.81/7,210.50
  6. Step 6: Final answer
    x = 4,238.83

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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.