Home / 4,487.09-6,187.37-2,807.91

Finding the Fourth Proportional to 4,487.09, 6,187.37 and 2,807.91

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Solution

The fourth proportional to 4,487.09, 6,187.37 and 2,807.91 is: 3,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.09 : 6,187.37 = 2,807.91 : x
  2. Step 2: Convert to fraction form
    4,487.09/6,187.37 = 2,807.91/x
  3. Step 3: Cross multiply
    4,487.09x = 6,187.37 × 2,807.91
  4. Step 4: Simplify right side
    4,487.09x = 17,373,564.06
  5. Step 5: Solve for x
    x = 17,373,564.06/4,487.09
  6. Step 6: Final answer
    x = 3,871.90

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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.