Home / 5,987.75-8,259.42-3,971.25

Finding the Fourth Proportional to 5,987.75, 8,259.42 and 3,971.25

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Solution

The fourth proportional to 5,987.75, 8,259.42 and 3,971.25 is: 5,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.75 : 8,259.42 = 3,971.25 : x
  2. Step 2: Convert to fraction form
    5,987.75/8,259.42 = 3,971.25/x
  3. Step 3: Cross multiply
    5,987.75x = 8,259.42 × 3,971.25
  4. Step 4: Simplify right side
    5,987.75x = 32,800,237.46
  5. Step 5: Solve for x
    x = 32,800,237.46/5,987.75
  6. Step 6: Final answer
    x = 5,477.89

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1.5x scale

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.