Home / 5,611.16-8,404.92-2,686.52

Finding the Fourth Proportional to 5,611.16, 8,404.92 and 2,686.52

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Solution

The fourth proportional to 5,611.16, 8,404.92 and 2,686.52 is: 4,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.16 : 8,404.92 = 2,686.52 : x
  2. Step 2: Convert to fraction form
    5,611.16/8,404.92 = 2,686.52/x
  3. Step 3: Cross multiply
    5,611.16x = 8,404.92 × 2,686.52
  4. Step 4: Simplify right side
    5,611.16x = 22,579,985.68
  5. Step 5: Solve for x
    x = 22,579,985.68/5,611.16
  6. Step 6: Final answer
    x = 4,024.12

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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.