Home / 6,399.24-8,833.35-3,747.50

Finding the Fourth Proportional to 6,399.24, 8,833.35 and 3,747.50

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Solution

The fourth proportional to 6,399.24, 8,833.35 and 3,747.50 is: 5,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.24 : 8,833.35 = 3,747.50 : x
  2. Step 2: Convert to fraction form
    6,399.24/8,833.35 = 3,747.50/x
  3. Step 3: Cross multiply
    6,399.24x = 8,833.35 × 3,747.50
  4. Step 4: Simplify right side
    6,399.24x = 33,102,979.13
  5. Step 5: Solve for x
    x = 33,102,979.13/6,399.24
  6. Step 6: Final answer
    x = 5,172.95

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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.