Home / 7,334.82-10,121.90-4,190.81

Finding the Fourth Proportional to 7,334.82, 10,121.90 and 4,190.81

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Solution

The fourth proportional to 7,334.82, 10,121.90 and 4,190.81 is: 5,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.82 : 10,121.90 = 4,190.81 : x
  2. Step 2: Convert to fraction form
    7,334.82/10,121.90 = 4,190.81/x
  3. Step 3: Cross multiply
    7,334.82x = 10,121.90 × 4,190.81
  4. Step 4: Simplify right side
    7,334.82x = 42,418,888.18
  5. Step 5: Solve for x
    x = 42,418,888.18/7,334.82
  6. Step 6: Final answer
    x = 5,783.22

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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.