Home / 7,209.28-10,808.93-2,827.18

Finding the Fourth Proportional to 7,209.28, 10,808.93 and 2,827.18

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Solution

The fourth proportional to 7,209.28, 10,808.93 and 2,827.18 is: 4,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.28 : 10,808.93 = 2,827.18 : x
  2. Step 2: Convert to fraction form
    7,209.28/10,808.93 = 2,827.18/x
  3. Step 3: Cross multiply
    7,209.28x = 10,808.93 × 2,827.18
  4. Step 4: Simplify right side
    7,209.28x = 30,558,776.58
  5. Step 5: Solve for x
    x = 30,558,776.58/7,209.28
  6. Step 6: Final answer
    x = 4,238.81

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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.