Home / 8,018.57-12,027.87-3,090.53

Finding the Fourth Proportional to 8,018.57, 12,027.87 and 3,090.53

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Solution

The fourth proportional to 8,018.57, 12,027.87 and 3,090.53 is: 4,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.57 : 12,027.87 = 3,090.53 : x
  2. Step 2: Convert to fraction form
    8,018.57/12,027.87 = 3,090.53/x
  3. Step 3: Cross multiply
    8,018.57x = 12,027.87 × 3,090.53
  4. Step 4: Simplify right side
    8,018.57x = 37,172,493.07
  5. Step 5: Solve for x
    x = 37,172,493.07/8,018.57
  6. Step 6: Final answer
    x = 4,635.80

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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.