Home / 8,221.04-12,330.72-4,522.04

Finding the Fourth Proportional to 8,221.04, 12,330.72 and 4,522.04

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Solution

The fourth proportional to 8,221.04, 12,330.72 and 4,522.04 is: 6,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.04 : 12,330.72 = 4,522.04 : x
  2. Step 2: Convert to fraction form
    8,221.04/12,330.72 = 4,522.04/x
  3. Step 3: Cross multiply
    8,221.04x = 12,330.72 × 4,522.04
  4. Step 4: Simplify right side
    8,221.04x = 55,760,009.07
  5. Step 5: Solve for x
    x = 55,760,009.07/8,221.04
  6. Step 6: Final answer
    x = 6,782.60

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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.