Home / 3,913.36-5,871.06-1,139.97

Finding the Fourth Proportional to 3,913.36, 5,871.06 and 1,139.97

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Solution

The fourth proportional to 3,913.36, 5,871.06 and 1,139.97 is: 1,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.36 : 5,871.06 = 1,139.97 : x
  2. Step 2: Convert to fraction form
    3,913.36/5,871.06 = 1,139.97/x
  3. Step 3: Cross multiply
    3,913.36x = 5,871.06 × 1,139.97
  4. Step 4: Simplify right side
    3,913.36x = 6,692,826.57
  5. Step 5: Solve for x
    x = 6,692,826.57/3,913.36
  6. Step 6: Final answer
    x = 1,710.25

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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.