Home / 7,321.53-10,104.44-4,178.19

Finding the Fourth Proportional to 7,321.53, 10,104.44 and 4,178.19

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Solution

The fourth proportional to 7,321.53, 10,104.44 and 4,178.19 is: 5,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.53 : 10,104.44 = 4,178.19 : x
  2. Step 2: Convert to fraction form
    7,321.53/10,104.44 = 4,178.19/x
  3. Step 3: Cross multiply
    7,321.53x = 10,104.44 × 4,178.19
  4. Step 4: Simplify right side
    7,321.53x = 42,218,249.27
  5. Step 5: Solve for x
    x = 42,218,249.27/7,321.53
  6. Step 6: Final answer
    x = 5,766.32

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Half scale
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Double scale
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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.