Home / 7,449.36-11,180.52-4,855.20

Finding the Fourth Proportional to 7,449.36, 11,180.52 and 4,855.20

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Solution

The fourth proportional to 7,449.36, 11,180.52 and 4,855.20 is: 7,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.36 : 11,180.52 = 4,855.20 : x
  2. Step 2: Convert to fraction form
    7,449.36/11,180.52 = 4,855.20/x
  3. Step 3: Cross multiply
    7,449.36x = 11,180.52 × 4,855.20
  4. Step 4: Simplify right side
    7,449.36x = 54,283,660.70
  5. Step 5: Solve for x
    x = 54,283,660.70/7,449.36
  6. Step 6: Final answer
    x = 7,287.02

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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.