Home / 7,474.36-11,192.40-6,238.70

Finding the Fourth Proportional to 7,474.36, 11,192.40 and 6,238.70

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Solution

The fourth proportional to 7,474.36, 11,192.40 and 6,238.70 is: 9,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.36 : 11,192.40 = 6,238.70 : x
  2. Step 2: Convert to fraction form
    7,474.36/11,192.40 = 6,238.70/x
  3. Step 3: Cross multiply
    7,474.36x = 11,192.40 × 6,238.70
  4. Step 4: Simplify right side
    7,474.36x = 69,826,025.88
  5. Step 5: Solve for x
    x = 69,826,025.88/7,474.36
  6. Step 6: Final answer
    x = 9,342.07

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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.