Home / 4,259.91-6,391.38-1,627.61

Finding the Fourth Proportional to 4,259.91, 6,391.38 and 1,627.61

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Solution

The fourth proportional to 4,259.91, 6,391.38 and 1,627.61 is: 2,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.91 : 6,391.38 = 1,627.61 : x
  2. Step 2: Convert to fraction form
    4,259.91/6,391.38 = 1,627.61/x
  3. Step 3: Cross multiply
    4,259.91x = 6,391.38 × 1,627.61
  4. Step 4: Simplify right side
    4,259.91x = 10,402,674.00
  5. Step 5: Solve for x
    x = 10,402,674.00/4,259.91
  6. Step 6: Final answer
    x = 2,441.99

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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.