Home / 5,716.98-8,575.40-2,159.80

Finding the Fourth Proportional to 5,716.98, 8,575.40 and 2,159.80

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Solution

The fourth proportional to 5,716.98, 8,575.40 and 2,159.80 is: 3,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.98 : 8,575.40 = 2,159.80 : x
  2. Step 2: Convert to fraction form
    5,716.98/8,575.40 = 2,159.80/x
  3. Step 3: Cross multiply
    5,716.98x = 8,575.40 × 2,159.80
  4. Step 4: Simplify right side
    5,716.98x = 18,521,132.88
  5. Step 5: Solve for x
    x = 18,521,132.88/5,716.98
  6. Step 6: Final answer
    x = 3,239.67

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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.