Home / 6,032.12-9,049.80-2,139.28

Finding the Fourth Proportional to 6,032.12, 9,049.80 and 2,139.28

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Solution

The fourth proportional to 6,032.12, 9,049.80 and 2,139.28 is: 3,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,032.12 : 9,049.80 = 2,139.28 : x
  2. Step 2: Convert to fraction form
    6,032.12/9,049.80 = 2,139.28/x
  3. Step 3: Cross multiply
    6,032.12x = 9,049.80 × 2,139.28
  4. Step 4: Simplify right side
    6,032.12x = 19,360,056.14
  5. Step 5: Solve for x
    x = 19,360,056.14/6,032.12
  6. Step 6: Final answer
    x = 3,209.49

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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.