Home / 6,222.60-8,586.90-3,801.15

Finding the Fourth Proportional to 6,222.60, 8,586.90 and 3,801.15

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Solution

The fourth proportional to 6,222.60, 8,586.90 and 3,801.15 is: 5,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.60 : 8,586.90 = 3,801.15 : x
  2. Step 2: Convert to fraction form
    6,222.60/8,586.90 = 3,801.15/x
  3. Step 3: Cross multiply
    6,222.60x = 8,586.90 × 3,801.15
  4. Step 4: Simplify right side
    6,222.60x = 32,640,094.94
  5. Step 5: Solve for x
    x = 32,640,094.94/6,222.60
  6. Step 6: Final answer
    x = 5,245.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.