Home / 5,719.58-8,580.76-1,823.98

Finding the Fourth Proportional to 5,719.58, 8,580.76 and 1,823.98

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Solution

The fourth proportional to 5,719.58, 8,580.76 and 1,823.98 is: 2,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.58 : 8,580.76 = 1,823.98 : x
  2. Step 2: Convert to fraction form
    5,719.58/8,580.76 = 1,823.98/x
  3. Step 3: Cross multiply
    5,719.58x = 8,580.76 × 1,823.98
  4. Step 4: Simplify right side
    5,719.58x = 15,651,134.62
  5. Step 5: Solve for x
    x = 15,651,134.62/5,719.58
  6. Step 6: Final answer
    x = 2,736.41

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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.