Home / 7,423.22-11,133.64-2,745.45

Finding the Fourth Proportional to 7,423.22, 11,133.64 and 2,745.45

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Solution

The fourth proportional to 7,423.22, 11,133.64 and 2,745.45 is: 4,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.22 : 11,133.64 = 2,745.45 : x
  2. Step 2: Convert to fraction form
    7,423.22/11,133.64 = 2,745.45/x
  3. Step 3: Cross multiply
    7,423.22x = 11,133.64 × 2,745.45
  4. Step 4: Simplify right side
    7,423.22x = 30,566,851.94
  5. Step 5: Solve for x
    x = 30,566,851.94/7,423.22
  6. Step 6: Final answer
    x = 4,117.73

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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.