Home / 7,435.80-11,152.68-5,207.88

Finding the Fourth Proportional to 7,435.80, 11,152.68 and 5,207.88

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Solution

The fourth proportional to 7,435.80, 11,152.68 and 5,207.88 is: 7,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.80 : 11,152.68 = 5,207.88 : x
  2. Step 2: Convert to fraction form
    7,435.80/11,152.68 = 5,207.88/x
  3. Step 3: Cross multiply
    7,435.80x = 11,152.68 × 5,207.88
  4. Step 4: Simplify right side
    7,435.80x = 58,081,819.12
  5. Step 5: Solve for x
    x = 58,081,819.12/7,435.80
  6. Step 6: Final answer
    x = 7,811.11

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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.