Home / 7,945.86-10,965.15-4,409.22

Finding the Fourth Proportional to 7,945.86, 10,965.15 and 4,409.22

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Solution

The fourth proportional to 7,945.86, 10,965.15 and 4,409.22 is: 6,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.86 : 10,965.15 = 4,409.22 : x
  2. Step 2: Convert to fraction form
    7,945.86/10,965.15 = 4,409.22/x
  3. Step 3: Cross multiply
    7,945.86x = 10,965.15 × 4,409.22
  4. Step 4: Simplify right side
    7,945.86x = 48,347,758.68
  5. Step 5: Solve for x
    x = 48,347,758.68/7,945.86
  6. Step 6: Final answer
    x = 6,084.65

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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.