Home / 7,419.66-10,236.13-4,433.79

Finding the Fourth Proportional to 7,419.66, 10,236.13 and 4,433.79

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Solution

The fourth proportional to 7,419.66, 10,236.13 and 4,433.79 is: 6,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.66 : 10,236.13 = 4,433.79 : x
  2. Step 2: Convert to fraction form
    7,419.66/10,236.13 = 4,433.79/x
  3. Step 3: Cross multiply
    7,419.66x = 10,236.13 × 4,433.79
  4. Step 4: Simplify right side
    7,419.66x = 45,384,850.83
  5. Step 5: Solve for x
    x = 45,384,850.83/7,419.66
  6. Step 6: Final answer
    x = 6,116.84

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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.