Home / 7,209.79-10,811.95-2,528.46

Finding the Fourth Proportional to 7,209.79, 10,811.95 and 2,528.46

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Solution

The fourth proportional to 7,209.79, 10,811.95 and 2,528.46 is: 3,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.79 : 10,811.95 = 2,528.46 : x
  2. Step 2: Convert to fraction form
    7,209.79/10,811.95 = 2,528.46/x
  3. Step 3: Cross multiply
    7,209.79x = 10,811.95 × 2,528.46
  4. Step 4: Simplify right side
    7,209.79x = 27,337,576.78
  5. Step 5: Solve for x
    x = 27,337,576.78/7,209.79
  6. Step 6: Final answer
    x = 3,791.73

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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.