Home / 7,341.94-10,131.97-3,984.79

Finding the Fourth Proportional to 7,341.94, 10,131.97 and 3,984.79

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Solution

The fourth proportional to 7,341.94, 10,131.97 and 3,984.79 is: 5,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.94 : 10,131.97 = 3,984.79 : x
  2. Step 2: Convert to fraction form
    7,341.94/10,131.97 = 3,984.79/x
  3. Step 3: Cross multiply
    7,341.94x = 10,131.97 × 3,984.79
  4. Step 4: Simplify right side
    7,341.94x = 40,373,772.74
  5. Step 5: Solve for x
    x = 40,373,772.74/7,341.94
  6. Step 6: Final answer
    x = 5,499.06

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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.