Home / 7,609.08-10,500.76-4,251.78

Finding the Fourth Proportional to 7,609.08, 10,500.76 and 4,251.78

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Solution

The fourth proportional to 7,609.08, 10,500.76 and 4,251.78 is: 5,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.08 : 10,500.76 = 4,251.78 : x
  2. Step 2: Convert to fraction form
    7,609.08/10,500.76 = 4,251.78/x
  3. Step 3: Cross multiply
    7,609.08x = 10,500.76 × 4,251.78
  4. Step 4: Simplify right side
    7,609.08x = 44,646,921.35
  5. Step 5: Solve for x
    x = 44,646,921.35/7,609.08
  6. Step 6: Final answer
    x = 5,867.58

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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.