Home / 7,382.20-10,187.60-4,025.18

Finding the Fourth Proportional to 7,382.20, 10,187.60 and 4,025.18

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Solution

The fourth proportional to 7,382.20, 10,187.60 and 4,025.18 is: 5,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.20 : 10,187.60 = 4,025.18 : x
  2. Step 2: Convert to fraction form
    7,382.20/10,187.60 = 4,025.18/x
  3. Step 3: Cross multiply
    7,382.20x = 10,187.60 × 4,025.18
  4. Step 4: Simplify right side
    7,382.20x = 41,006,923.77
  5. Step 5: Solve for x
    x = 41,006,923.77/7,382.20
  6. Step 6: Final answer
    x = 5,554.84

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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.