Home / 7,291.28-10,932.72-3,585.44

Finding the Fourth Proportional to 7,291.28, 10,932.72 and 3,585.44

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Solution

The fourth proportional to 7,291.28, 10,932.72 and 3,585.44 is: 5,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.28 : 10,932.72 = 3,585.44 : x
  2. Step 2: Convert to fraction form
    7,291.28/10,932.72 = 3,585.44/x
  3. Step 3: Cross multiply
    7,291.28x = 10,932.72 × 3,585.44
  4. Step 4: Simplify right side
    7,291.28x = 39,198,611.60
  5. Step 5: Solve for x
    x = 39,198,611.60/7,291.28
  6. Step 6: Final answer
    x = 5,376.09

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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.