Home / 7,127.24-10,689.90-2,196.77

Finding the Fourth Proportional to 7,127.24, 10,689.90 and 2,196.77

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Solution

The fourth proportional to 7,127.24, 10,689.90 and 2,196.77 is: 3,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.24 : 10,689.90 = 2,196.77 : x
  2. Step 2: Convert to fraction form
    7,127.24/10,689.90 = 2,196.77/x
  3. Step 3: Cross multiply
    7,127.24x = 10,689.90 × 2,196.77
  4. Step 4: Simplify right side
    7,127.24x = 23,483,251.62
  5. Step 5: Solve for x
    x = 23,483,251.62/7,127.24
  6. Step 6: Final answer
    x = 3,294.86

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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.