Home / 5,580.96-8,371.20-1,685.25

Finding the Fourth Proportional to 5,580.96, 8,371.20 and 1,685.25

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Solution

The fourth proportional to 5,580.96, 8,371.20 and 1,685.25 is: 2,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.96 : 8,371.20 = 1,685.25 : x
  2. Step 2: Convert to fraction form
    5,580.96/8,371.20 = 1,685.25/x
  3. Step 3: Cross multiply
    5,580.96x = 8,371.20 × 1,685.25
  4. Step 4: Simplify right side
    5,580.96x = 14,107,564.80
  5. Step 5: Solve for x
    x = 14,107,564.80/5,580.96
  6. Step 6: Final answer
    x = 2,527.80

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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.