Home / 4,018.60-6,028.31-1,385.76

Finding the Fourth Proportional to 4,018.60, 6,028.31 and 1,385.76

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Solution

The fourth proportional to 4,018.60, 6,028.31 and 1,385.76 is: 2,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.60 : 6,028.31 = 1,385.76 : x
  2. Step 2: Convert to fraction form
    4,018.60/6,028.31 = 1,385.76/x
  3. Step 3: Cross multiply
    4,018.60x = 6,028.31 × 1,385.76
  4. Step 4: Simplify right side
    4,018.60x = 8,353,790.87
  5. Step 5: Solve for x
    x = 8,353,790.87/4,018.60
  6. Step 6: Final answer
    x = 2,078.78

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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.