Home / 7,945.54-10,965.65-4,408.77

Finding the Fourth Proportional to 7,945.54, 10,965.65 and 4,408.77

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Solution

The fourth proportional to 7,945.54, 10,965.65 and 4,408.77 is: 6,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.54 : 10,965.65 = 4,408.77 : x
  2. Step 2: Convert to fraction form
    7,945.54/10,965.65 = 4,408.77/x
  3. Step 3: Cross multiply
    7,945.54x = 10,965.65 × 4,408.77
  4. Step 4: Simplify right side
    7,945.54x = 48,345,039.77
  5. Step 5: Solve for x
    x = 48,345,039.77/7,945.54
  6. Step 6: Final answer
    x = 6,084.55

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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.