Home / 5,627.24-8,440.80-2,117.09

Finding the Fourth Proportional to 5,627.24, 8,440.80 and 2,117.09

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Solution

The fourth proportional to 5,627.24, 8,440.80 and 2,117.09 is: 3,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.24 : 8,440.80 = 2,117.09 : x
  2. Step 2: Convert to fraction form
    5,627.24/8,440.80 = 2,117.09/x
  3. Step 3: Cross multiply
    5,627.24x = 8,440.80 × 2,117.09
  4. Step 4: Simplify right side
    5,627.24x = 17,869,933.27
  5. Step 5: Solve for x
    x = 17,869,933.27/5,627.24
  6. Step 6: Final answer
    x = 3,175.61

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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.