Home / 5,918.81-8,167.64-3,400.52

Finding the Fourth Proportional to 5,918.81, 8,167.64 and 3,400.52

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Solution

The fourth proportional to 5,918.81, 8,167.64 and 3,400.52 is: 4,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.81 : 8,167.64 = 3,400.52 : x
  2. Step 2: Convert to fraction form
    5,918.81/8,167.64 = 3,400.52/x
  3. Step 3: Cross multiply
    5,918.81x = 8,167.64 × 3,400.52
  4. Step 4: Simplify right side
    5,918.81x = 27,774,165.33
  5. Step 5: Solve for x
    x = 27,774,165.33/5,918.81
  6. Step 6: Final answer
    x = 4,692.53

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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.