Home / 7,399.50-11,100.60-4,474.32

Finding the Fourth Proportional to 7,399.50, 11,100.60 and 4,474.32

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Solution

The fourth proportional to 7,399.50, 11,100.60 and 4,474.32 is: 6,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.50 : 11,100.60 = 4,474.32 : x
  2. Step 2: Convert to fraction form
    7,399.50/11,100.60 = 4,474.32/x
  3. Step 3: Cross multiply
    7,399.50x = 11,100.60 × 4,474.32
  4. Step 4: Simplify right side
    7,399.50x = 49,667,636.59
  5. Step 5: Solve for x
    x = 49,667,636.59/7,399.50
  6. Step 6: Final answer
    x = 6,712.30

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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.