Home / 7,380.63-10,186.20-4,236.75

Finding the Fourth Proportional to 7,380.63, 10,186.20 and 4,236.75

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Solution

The fourth proportional to 7,380.63, 10,186.20 and 4,236.75 is: 5,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.63 : 10,186.20 = 4,236.75 : x
  2. Step 2: Convert to fraction form
    7,380.63/10,186.20 = 4,236.75/x
  3. Step 3: Cross multiply
    7,380.63x = 10,186.20 × 4,236.75
  4. Step 4: Simplify right side
    7,380.63x = 43,156,382.85
  5. Step 5: Solve for x
    x = 43,156,382.85/7,380.63
  6. Step 6: Final answer
    x = 5,847.25

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Half scale
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Double scale
Find fourth proportional to 7,381.63, 10,187.58 and 4,237.75
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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.