Home / 4,206.36-5,772.77-3,871.02

Finding the Fourth Proportional to 4,206.36, 5,772.77 and 3,871.02

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Solution

The fourth proportional to 4,206.36, 5,772.77 and 3,871.02 is: 5,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.36 : 5,772.77 = 3,871.02 : x
  2. Step 2: Convert to fraction form
    4,206.36/5,772.77 = 3,871.02/x
  3. Step 3: Cross multiply
    4,206.36x = 5,772.77 × 3,871.02
  4. Step 4: Simplify right side
    4,206.36x = 22,346,488.77
  5. Step 5: Solve for x
    x = 22,346,488.77/4,206.36
  6. Step 6: Final answer
    x = 5,312.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.