Home / 7,287.76-10,933.52-3,387.60

Finding the Fourth Proportional to 7,287.76, 10,933.52 and 3,387.60

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Solution

The fourth proportional to 7,287.76, 10,933.52 and 3,387.60 is: 5,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.76 : 10,933.52 = 3,387.60 : x
  2. Step 2: Convert to fraction form
    7,287.76/10,933.52 = 3,387.60/x
  3. Step 3: Cross multiply
    7,287.76x = 10,933.52 × 3,387.60
  4. Step 4: Simplify right side
    7,287.76x = 37,038,392.35
  5. Step 5: Solve for x
    x = 37,038,392.35/7,287.76
  6. Step 6: Final answer
    x = 5,082.27

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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.