Home / 6,187.32-9,279.36-2,289.60

Finding the Fourth Proportional to 6,187.32, 9,279.36 and 2,289.60

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Solution

The fourth proportional to 6,187.32, 9,279.36 and 2,289.60 is: 3,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.32 : 9,279.36 = 2,289.60 : x
  2. Step 2: Convert to fraction form
    6,187.32/9,279.36 = 2,289.60/x
  3. Step 3: Cross multiply
    6,187.32x = 9,279.36 × 2,289.60
  4. Step 4: Simplify right side
    6,187.32x = 21,246,022.66
  5. Step 5: Solve for x
    x = 21,246,022.66/6,187.32
  6. Step 6: Final answer
    x = 3,433.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.