Home / 7,222.28-10,833.68-3,527.60

Finding the Fourth Proportional to 7,222.28, 10,833.68 and 3,527.60

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Solution

The fourth proportional to 7,222.28, 10,833.68 and 3,527.60 is: 5,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.28 : 10,833.68 = 3,527.60 : x
  2. Step 2: Convert to fraction form
    7,222.28/10,833.68 = 3,527.60/x
  3. Step 3: Cross multiply
    7,222.28x = 10,833.68 × 3,527.60
  4. Step 4: Simplify right side
    7,222.28x = 38,216,844.22
  5. Step 5: Solve for x
    x = 38,216,844.22/7,222.28
  6. Step 6: Final answer
    x = 5,291.52

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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.