Home / 7,400.02-11,099.55-3,239.56

Finding the Fourth Proportional to 7,400.02, 11,099.55 and 3,239.56

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Solution

The fourth proportional to 7,400.02, 11,099.55 and 3,239.56 is: 4,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.02 : 11,099.55 = 3,239.56 : x
  2. Step 2: Convert to fraction form
    7,400.02/11,099.55 = 3,239.56/x
  3. Step 3: Cross multiply
    7,400.02x = 11,099.55 × 3,239.56
  4. Step 4: Simplify right side
    7,400.02x = 35,957,658.20
  5. Step 5: Solve for x
    x = 35,957,658.20/7,400.02
  6. Step 6: Final answer
    x = 4,859.13

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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.