Home / 7,341.35-11,013.64-2,147.63

Finding the Fourth Proportional to 7,341.35, 11,013.64 and 2,147.63

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Solution

The fourth proportional to 7,341.35, 11,013.64 and 2,147.63 is: 3,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.35 : 11,013.64 = 2,147.63 : x
  2. Step 2: Convert to fraction form
    7,341.35/11,013.64 = 2,147.63/x
  3. Step 3: Cross multiply
    7,341.35x = 11,013.64 × 2,147.63
  4. Step 4: Simplify right side
    7,341.35x = 23,653,163.24
  5. Step 5: Solve for x
    x = 23,653,163.24/7,341.35
  6. Step 6: Final answer
    x = 3,221.91

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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.