Home / 5,109.03-7,657.17-4,412.85

Finding the Fourth Proportional to 5,109.03, 7,657.17 and 4,412.85

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Solution

The fourth proportional to 5,109.03, 7,657.17 and 4,412.85 is: 6,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.03 : 7,657.17 = 4,412.85 : x
  2. Step 2: Convert to fraction form
    5,109.03/7,657.17 = 4,412.85/x
  3. Step 3: Cross multiply
    5,109.03x = 7,657.17 × 4,412.85
  4. Step 4: Simplify right side
    5,109.03x = 33,789,942.63
  5. Step 5: Solve for x
    x = 33,789,942.63/5,109.03
  6. Step 6: Final answer
    x = 6,613.77

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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.