Home / 5,722.76-8,580.54-2,212.76

Finding the Fourth Proportional to 5,722.76, 8,580.54 and 2,212.76

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Solution

The fourth proportional to 5,722.76, 8,580.54 and 2,212.76 is: 3,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.76 : 8,580.54 = 2,212.76 : x
  2. Step 2: Convert to fraction form
    5,722.76/8,580.54 = 2,212.76/x
  3. Step 3: Cross multiply
    5,722.76x = 8,580.54 × 2,212.76
  4. Step 4: Simplify right side
    5,722.76x = 18,986,675.69
  5. Step 5: Solve for x
    x = 18,986,675.69/5,722.76
  6. Step 6: Final answer
    x = 3,317.75

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1.5x scale

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.