Home / 6,220.34-9,318.01-3,090.88

Finding the Fourth Proportional to 6,220.34, 9,318.01 and 3,090.88

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Solution

The fourth proportional to 6,220.34, 9,318.01 and 3,090.88 is: 4,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.34 : 9,318.01 = 3,090.88 : x
  2. Step 2: Convert to fraction form
    6,220.34/9,318.01 = 3,090.88/x
  3. Step 3: Cross multiply
    6,220.34x = 9,318.01 × 3,090.88
  4. Step 4: Simplify right side
    6,220.34x = 28,800,850.75
  5. Step 5: Solve for x
    x = 28,800,850.75/6,220.34
  6. Step 6: Final answer
    x = 4,630.11

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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.