Home / 7,500.20-11,244.21-3,120.93

Finding the Fourth Proportional to 7,500.20, 11,244.21 and 3,120.93

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Solution

The fourth proportional to 7,500.20, 11,244.21 and 3,120.93 is: 4,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.20 : 11,244.21 = 3,120.93 : x
  2. Step 2: Convert to fraction form
    7,500.20/11,244.21 = 3,120.93/x
  3. Step 3: Cross multiply
    7,500.20x = 11,244.21 × 3,120.93
  4. Step 4: Simplify right side
    7,500.20x = 35,092,392.32
  5. Step 5: Solve for x
    x = 35,092,392.32/7,500.20
  6. Step 6: Final answer
    x = 4,678.86

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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.