Home / 5,719.36-8,578.95-1,823.74

Finding the Fourth Proportional to 5,719.36, 8,578.95 and 1,823.74

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Solution

The fourth proportional to 5,719.36, 8,578.95 and 1,823.74 is: 2,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.36 : 8,578.95 = 1,823.74 : x
  2. Step 2: Convert to fraction form
    5,719.36/8,578.95 = 1,823.74/x
  3. Step 3: Cross multiply
    5,719.36x = 8,578.95 × 1,823.74
  4. Step 4: Simplify right side
    5,719.36x = 15,645,774.27
  5. Step 5: Solve for x
    x = 15,645,774.27/5,719.36
  6. Step 6: Final answer
    x = 2,735.58

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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.