Home / 7,945.60-10,965.06-4,408.72

Finding the Fourth Proportional to 7,945.60, 10,965.06 and 4,408.72

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Solution

The fourth proportional to 7,945.60, 10,965.06 and 4,408.72 is: 6,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.60 : 10,965.06 = 4,408.72 : x
  2. Step 2: Convert to fraction form
    7,945.60/10,965.06 = 4,408.72/x
  3. Step 3: Cross multiply
    7,945.60x = 10,965.06 × 4,408.72
  4. Step 4: Simplify right side
    7,945.60x = 48,341,879.32
  5. Step 5: Solve for x
    x = 48,341,879.32/7,945.60
  6. Step 6: Final answer
    x = 6,084.11

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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.