Home / 7,941.24-11,911.86-5,020.38

Finding the Fourth Proportional to 7,941.24, 11,911.86 and 5,020.38

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Solution

The fourth proportional to 7,941.24, 11,911.86 and 5,020.38 is: 7,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.24 : 11,911.86 = 5,020.38 : x
  2. Step 2: Convert to fraction form
    7,941.24/11,911.86 = 5,020.38/x
  3. Step 3: Cross multiply
    7,941.24x = 11,911.86 × 5,020.38
  4. Step 4: Simplify right side
    7,941.24x = 59,802,063.71
  5. Step 5: Solve for x
    x = 59,802,063.71/7,941.24
  6. Step 6: Final answer
    x = 7,530.57

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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.