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Finding the Fourth Proportional to 6,215.60, 9,299.10 and 4,028.60

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Solution

The fourth proportional to 6,215.60, 9,299.10 and 4,028.60 is: 6,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.60 : 9,299.10 = 4,028.60 : x
  2. Step 2: Convert to fraction form
    6,215.60/9,299.10 = 4,028.60/x
  3. Step 3: Cross multiply
    6,215.60x = 9,299.10 × 4,028.60
  4. Step 4: Simplify right side
    6,215.60x = 37,462,354.26
  5. Step 5: Solve for x
    x = 37,462,354.26/6,215.60
  6. Step 6: Final answer
    x = 6,027.15

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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.