Home / 6,018.50-8,305.78-3,365.90

Finding the Fourth Proportional to 6,018.50, 8,305.78 and 3,365.90

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Solution

The fourth proportional to 6,018.50, 8,305.78 and 3,365.90 is: 4,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.50 : 8,305.78 = 3,365.90 : x
  2. Step 2: Convert to fraction form
    6,018.50/8,305.78 = 3,365.90/x
  3. Step 3: Cross multiply
    6,018.50x = 8,305.78 × 3,365.90
  4. Step 4: Simplify right side
    6,018.50x = 27,956,424.90
  5. Step 5: Solve for x
    x = 27,956,424.90/6,018.50
  6. Step 6: Final answer
    x = 4,645.08

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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.