Home / 7,210.68-10,811.64-2,822.88

Finding the Fourth Proportional to 7,210.68, 10,811.64 and 2,822.88

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Solution

The fourth proportional to 7,210.68, 10,811.64 and 2,822.88 is: 4,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.68 : 10,811.64 = 2,822.88 : x
  2. Step 2: Convert to fraction form
    7,210.68/10,811.64 = 2,822.88/x
  3. Step 3: Cross multiply
    7,210.68x = 10,811.64 × 2,822.88
  4. Step 4: Simplify right side
    7,210.68x = 30,519,962.32
  5. Step 5: Solve for x
    x = 30,519,962.32/7,210.68
  6. Step 6: Final answer
    x = 4,232.61

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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.