Home / 7,287.21-10,928.52-2,355.75

Finding the Fourth Proportional to 7,287.21, 10,928.52 and 2,355.75

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Solution

The fourth proportional to 7,287.21, 10,928.52 and 2,355.75 is: 3,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.21 : 10,928.52 = 2,355.75 : x
  2. Step 2: Convert to fraction form
    7,287.21/10,928.52 = 2,355.75/x
  3. Step 3: Cross multiply
    7,287.21x = 10,928.52 × 2,355.75
  4. Step 4: Simplify right side
    7,287.21x = 25,744,860.99
  5. Step 5: Solve for x
    x = 25,744,860.99/7,287.21
  6. Step 6: Final answer
    x = 3,532.88

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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.