Home / 5,940.08-8,190.60-4,443.20

Finding the Fourth Proportional to 5,940.08, 8,190.60 and 4,443.20

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Solution

The fourth proportional to 5,940.08, 8,190.60 and 4,443.20 is: 6,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.08 : 8,190.60 = 4,443.20 : x
  2. Step 2: Convert to fraction form
    5,940.08/8,190.60 = 4,443.20/x
  3. Step 3: Cross multiply
    5,940.08x = 8,190.60 × 4,443.20
  4. Step 4: Simplify right side
    5,940.08x = 36,392,473.92
  5. Step 5: Solve for x
    x = 36,392,473.92/5,940.08
  6. Step 6: Final answer
    x = 6,126.60

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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.