Home / 7,967.36-11,950.05-2,124.38

Finding the Fourth Proportional to 7,967.36, 11,950.05 and 2,124.38

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Solution

The fourth proportional to 7,967.36, 11,950.05 and 2,124.38 is: 3,186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.36 : 11,950.05 = 2,124.38 : x
  2. Step 2: Convert to fraction form
    7,967.36/11,950.05 = 2,124.38/x
  3. Step 3: Cross multiply
    7,967.36x = 11,950.05 × 2,124.38
  4. Step 4: Simplify right side
    7,967.36x = 25,386,447.22
  5. Step 5: Solve for x
    x = 25,386,447.22/7,967.36
  6. Step 6: Final answer
    x = 3,186.31

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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.