Home / 5,107.37-7,657.47-2,609.31

Finding the Fourth Proportional to 5,107.37, 7,657.47 and 2,609.31

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Solution

The fourth proportional to 5,107.37, 7,657.47 and 2,609.31 is: 3,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.37 : 7,657.47 = 2,609.31 : x
  2. Step 2: Convert to fraction form
    5,107.37/7,657.47 = 2,609.31/x
  3. Step 3: Cross multiply
    5,107.37x = 7,657.47 × 2,609.31
  4. Step 4: Simplify right side
    5,107.37x = 19,980,713.05
  5. Step 5: Solve for x
    x = 19,980,713.05/5,107.37
  6. Step 6: Final answer
    x = 3,912.13

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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.