Home / 4,046.81-6,069.29-1,125.36

Finding the Fourth Proportional to 4,046.81, 6,069.29 and 1,125.36

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Solution

The fourth proportional to 4,046.81, 6,069.29 and 1,125.36 is: 1,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.81 : 6,069.29 = 1,125.36 : x
  2. Step 2: Convert to fraction form
    4,046.81/6,069.29 = 1,125.36/x
  3. Step 3: Cross multiply
    4,046.81x = 6,069.29 × 1,125.36
  4. Step 4: Simplify right side
    4,046.81x = 6,830,130.57
  5. Step 5: Solve for x
    x = 6,830,130.57/4,046.81
  6. Step 6: Final answer
    x = 1,687.78

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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.