Home / 5,112.14-7,665.80-3,004.74

Finding the Fourth Proportional to 5,112.14, 7,665.80 and 3,004.74

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Solution

The fourth proportional to 5,112.14, 7,665.80 and 3,004.74 is: 4,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.14 : 7,665.80 = 3,004.74 : x
  2. Step 2: Convert to fraction form
    5,112.14/7,665.80 = 3,004.74/x
  3. Step 3: Cross multiply
    5,112.14x = 7,665.80 × 3,004.74
  4. Step 4: Simplify right side
    5,112.14x = 23,033,720.87
  5. Step 5: Solve for x
    x = 23,033,720.87/5,112.14
  6. Step 6: Final answer
    x = 4,505.69

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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.