Home / 7,845.22-10,811.80-5,327.44

Finding the Fourth Proportional to 7,845.22, 10,811.80 and 5,327.44

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Solution

The fourth proportional to 7,845.22, 10,811.80 and 5,327.44 is: 7,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.22 : 10,811.80 = 5,327.44 : x
  2. Step 2: Convert to fraction form
    7,845.22/10,811.80 = 5,327.44/x
  3. Step 3: Cross multiply
    7,845.22x = 10,811.80 × 5,327.44
  4. Step 4: Simplify right side
    7,845.22x = 57,599,182.15
  5. Step 5: Solve for x
    x = 57,599,182.15/7,845.22
  6. Step 6: Final answer
    x = 7,341.95

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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.