Home / 5,152.14-7,109.82-3,027.69

Finding the Fourth Proportional to 5,152.14, 7,109.82 and 3,027.69

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Solution

The fourth proportional to 5,152.14, 7,109.82 and 3,027.69 is: 4,178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.14 : 7,109.82 = 3,027.69 : x
  2. Step 2: Convert to fraction form
    5,152.14/7,109.82 = 3,027.69/x
  3. Step 3: Cross multiply
    5,152.14x = 7,109.82 × 3,027.69
  4. Step 4: Simplify right side
    5,152.14x = 21,526,330.92
  5. Step 5: Solve for x
    x = 21,526,330.92/5,152.14
  6. Step 6: Final answer
    x = 4,178.13

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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.