Home / 5,393.92-8,087.49-2,431.75

Finding the Fourth Proportional to 5,393.92, 8,087.49 and 2,431.75

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Solution

The fourth proportional to 5,393.92, 8,087.49 and 2,431.75 is: 3,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.92 : 8,087.49 = 2,431.75 : x
  2. Step 2: Convert to fraction form
    5,393.92/8,087.49 = 2,431.75/x
  3. Step 3: Cross multiply
    5,393.92x = 8,087.49 × 2,431.75
  4. Step 4: Simplify right side
    5,393.92x = 19,666,753.81
  5. Step 5: Solve for x
    x = 19,666,753.81/5,393.92
  6. Step 6: Final answer
    x = 3,646.10

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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.