Home / 7,939.39-10,953.87-4,581.76

Finding the Fourth Proportional to 7,939.39, 10,953.87 and 4,581.76

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Solution

The fourth proportional to 7,939.39, 10,953.87 and 4,581.76 is: 6,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.39 : 10,953.87 = 4,581.76 : x
  2. Step 2: Convert to fraction form
    7,939.39/10,953.87 = 4,581.76/x
  3. Step 3: Cross multiply
    7,939.39x = 10,953.87 × 4,581.76
  4. Step 4: Simplify right side
    7,939.39x = 50,188,003.41
  5. Step 5: Solve for x
    x = 50,188,003.41/7,939.39
  6. Step 6: Final answer
    x = 6,321.39

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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.