Home / 4,259.06-6,388.18-1,336.85

Finding the Fourth Proportional to 4,259.06, 6,388.18 and 1,336.85

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Solution

The fourth proportional to 4,259.06, 6,388.18 and 1,336.85 is: 2,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.06 : 6,388.18 = 1,336.85 : x
  2. Step 2: Convert to fraction form
    4,259.06/6,388.18 = 1,336.85/x
  3. Step 3: Cross multiply
    4,259.06x = 6,388.18 × 1,336.85
  4. Step 4: Simplify right side
    4,259.06x = 8,540,027.11
  5. Step 5: Solve for x
    x = 8,540,027.11/4,259.06
  6. Step 6: Final answer
    x = 2,005.14

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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.