Home / 7,484.40-11,218.32-3,099.44

Finding the Fourth Proportional to 7,484.40, 11,218.32 and 3,099.44

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Solution

The fourth proportional to 7,484.40, 11,218.32 and 3,099.44 is: 4,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.40 : 11,218.32 = 3,099.44 : x
  2. Step 2: Convert to fraction form
    7,484.40/11,218.32 = 3,099.44/x
  3. Step 3: Cross multiply
    7,484.40x = 11,218.32 × 3,099.44
  4. Step 4: Simplify right side
    7,484.40x = 34,770,509.74
  5. Step 5: Solve for x
    x = 34,770,509.74/7,484.40
  6. Step 6: Final answer
    x = 4,645.73

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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.