Home / 5,525.12-7,624.62-3,007.20

Finding the Fourth Proportional to 5,525.12, 7,624.62 and 3,007.20

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Solution

The fourth proportional to 5,525.12, 7,624.62 and 3,007.20 is: 4,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.12 : 7,624.62 = 3,007.20 : x
  2. Step 2: Convert to fraction form
    5,525.12/7,624.62 = 3,007.20/x
  3. Step 3: Cross multiply
    5,525.12x = 7,624.62 × 3,007.20
  4. Step 4: Simplify right side
    5,525.12x = 22,928,757.26
  5. Step 5: Solve for x
    x = 22,928,757.26/5,525.12
  6. Step 6: Final answer
    x = 4,149.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.