Home / 4,640.22-6,403.48-2,515.74

Finding the Fourth Proportional to 4,640.22, 6,403.48 and 2,515.74

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Solution

The fourth proportional to 4,640.22, 6,403.48 and 2,515.74 is: 3,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.22 : 6,403.48 = 2,515.74 : x
  2. Step 2: Convert to fraction form
    4,640.22/6,403.48 = 2,515.74/x
  3. Step 3: Cross multiply
    4,640.22x = 6,403.48 × 2,515.74
  4. Step 4: Simplify right side
    4,640.22x = 16,109,503.57
  5. Step 5: Solve for x
    x = 16,109,503.57/4,640.22
  6. Step 6: Final answer
    x = 3,471.71

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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.