Home / 6,522.16-9,782.22-2,139.58

Finding the Fourth Proportional to 6,522.16, 9,782.22 and 2,139.58

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Solution

The fourth proportional to 6,522.16, 9,782.22 and 2,139.58 is: 3,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.16 : 9,782.22 = 2,139.58 : x
  2. Step 2: Convert to fraction form
    6,522.16/9,782.22 = 2,139.58/x
  3. Step 3: Cross multiply
    6,522.16x = 9,782.22 × 2,139.58
  4. Step 4: Simplify right side
    6,522.16x = 20,929,842.27
  5. Step 5: Solve for x
    x = 20,929,842.27/6,522.16
  6. Step 6: Final answer
    x = 3,209.04

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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.