Home / 4,936.16-7,406.29-2,161.40

Finding the Fourth Proportional to 4,936.16, 7,406.29 and 2,161.40

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Solution

The fourth proportional to 4,936.16, 7,406.29 and 2,161.40 is: 3,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.16 : 7,406.29 = 2,161.40 : x
  2. Step 2: Convert to fraction form
    4,936.16/7,406.29 = 2,161.40/x
  3. Step 3: Cross multiply
    4,936.16x = 7,406.29 × 2,161.40
  4. Step 4: Simplify right side
    4,936.16x = 16,007,955.21
  5. Step 5: Solve for x
    x = 16,007,955.21/4,936.16
  6. Step 6: Final answer
    x = 3,243.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.