Home / 4,640.06-6,403.23-2,515.61

Finding the Fourth Proportional to 4,640.06, 6,403.23 and 2,515.61

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Solution

The fourth proportional to 4,640.06, 6,403.23 and 2,515.61 is: 3,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.06 : 6,403.23 = 2,515.61 : x
  2. Step 2: Convert to fraction form
    4,640.06/6,403.23 = 2,515.61/x
  3. Step 3: Cross multiply
    4,640.06x = 6,403.23 × 2,515.61
  4. Step 4: Simplify right side
    4,640.06x = 16,107,997.40
  5. Step 5: Solve for x
    x = 16,107,997.40/4,640.06
  6. Step 6: Final answer
    x = 3,471.51

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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.