Home / 7,451.35-10,279.60-4,617.97

Finding the Fourth Proportional to 7,451.35, 10,279.60 and 4,617.97

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Solution

The fourth proportional to 7,451.35, 10,279.60 and 4,617.97 is: 6,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.35 : 10,279.60 = 4,617.97 : x
  2. Step 2: Convert to fraction form
    7,451.35/10,279.60 = 4,617.97/x
  3. Step 3: Cross multiply
    7,451.35x = 10,279.60 × 4,617.97
  4. Step 4: Simplify right side
    7,451.35x = 47,470,884.41
  5. Step 5: Solve for x
    x = 47,470,884.41/7,451.35
  6. Step 6: Final answer
    x = 6,370.78

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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.