Home / 7,932.65-11,890.37-5,161.29

Finding the Fourth Proportional to 7,932.65, 11,890.37 and 5,161.29

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Solution

The fourth proportional to 7,932.65, 11,890.37 and 5,161.29 is: 7,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.65 : 11,890.37 = 5,161.29 : x
  2. Step 2: Convert to fraction form
    7,932.65/11,890.37 = 5,161.29/x
  3. Step 3: Cross multiply
    7,932.65x = 11,890.37 × 5,161.29
  4. Step 4: Simplify right side
    7,932.65x = 61,369,621.97
  5. Step 5: Solve for x
    x = 61,369,621.97/7,932.65
  6. Step 6: Final answer
    x = 7,736.34

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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.