Home / 7,189.36-9,921.96-4,046.08

Finding the Fourth Proportional to 7,189.36, 9,921.96 and 4,046.08

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Solution

The fourth proportional to 7,189.36, 9,921.96 and 4,046.08 is: 5,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.36 : 9,921.96 = 4,046.08 : x
  2. Step 2: Convert to fraction form
    7,189.36/9,921.96 = 4,046.08/x
  3. Step 3: Cross multiply
    7,189.36x = 9,921.96 × 4,046.08
  4. Step 4: Simplify right side
    7,189.36x = 40,145,043.92
  5. Step 5: Solve for x
    x = 40,145,043.92/7,189.36
  6. Step 6: Final answer
    x = 5,583.95

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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.