Home / 4,011.81-5,527.49-2,999.31

Finding the Fourth Proportional to 4,011.81, 5,527.49 and 2,999.31

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Solution

The fourth proportional to 4,011.81, 5,527.49 and 2,999.31 is: 4,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.81 : 5,527.49 = 2,999.31 : x
  2. Step 2: Convert to fraction form
    4,011.81/5,527.49 = 2,999.31/x
  3. Step 3: Cross multiply
    4,011.81x = 5,527.49 × 2,999.31
  4. Step 4: Simplify right side
    4,011.81x = 16,578,641.04
  5. Step 5: Solve for x
    x = 16,578,641.04/4,011.81
  6. Step 6: Final answer
    x = 4,132.46

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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.