Home / 5,720.13-8,578.37-1,823.63

Finding the Fourth Proportional to 5,720.13, 8,578.37 and 1,823.63

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Solution

The fourth proportional to 5,720.13, 8,578.37 and 1,823.63 is: 2,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.13 : 8,578.37 = 1,823.63 : x
  2. Step 2: Convert to fraction form
    5,720.13/8,578.37 = 1,823.63/x
  3. Step 3: Cross multiply
    5,720.13x = 8,578.37 × 1,823.63
  4. Step 4: Simplify right side
    5,720.13x = 15,643,734.55
  5. Step 5: Solve for x
    x = 15,643,734.55/5,720.13
  6. Step 6: Final answer
    x = 2,734.86

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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.