Home / 7,917.24-10,920.66-6,235.92

Finding the Fourth Proportional to 7,917.24, 10,920.66 and 6,235.92

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Solution

The fourth proportional to 7,917.24, 10,920.66 and 6,235.92 is: 8,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.24 : 10,920.66 = 6,235.92 : x
  2. Step 2: Convert to fraction form
    7,917.24/10,920.66 = 6,235.92/x
  3. Step 3: Cross multiply
    7,917.24x = 10,920.66 × 6,235.92
  4. Step 4: Simplify right side
    7,917.24x = 68,100,362.11
  5. Step 5: Solve for x
    x = 68,100,362.11/7,917.24
  6. Step 6: Final answer
    x = 8,601.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.