Home / 7,917.24-10,975.74-7,495.90

Finding the Fourth Proportional to 7,917.24, 10,975.74 and 7,495.90

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Solution

The fourth proportional to 7,917.24, 10,975.74 and 7,495.90 is: 10,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.24 : 10,975.74 = 7,495.90 : x
  2. Step 2: Convert to fraction form
    7,917.24/10,975.74 = 7,495.90/x
  3. Step 3: Cross multiply
    7,917.24x = 10,975.74 × 7,495.90
  4. Step 4: Simplify right side
    7,917.24x = 82,273,049.47
  5. Step 5: Solve for x
    x = 82,273,049.47/7,917.24
  6. Step 6: Final answer
    x = 10,391.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.