Home / 7,575.45-10,449.24-4,890.09

Finding the Fourth Proportional to 7,575.45, 10,449.24 and 4,890.09

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Solution

The fourth proportional to 7,575.45, 10,449.24 and 4,890.09 is: 6,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.45 : 10,449.24 = 4,890.09 : x
  2. Step 2: Convert to fraction form
    7,575.45/10,449.24 = 4,890.09/x
  3. Step 3: Cross multiply
    7,575.45x = 10,449.24 × 4,890.09
  4. Step 4: Simplify right side
    7,575.45x = 51,097,724.03
  5. Step 5: Solve for x
    x = 51,097,724.03/7,575.45
  6. Step 6: Final answer
    x = 6,745.17

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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.