Home / 5,820.21-8,724.29-2,308.77

Finding the Fourth Proportional to 5,820.21, 8,724.29 and 2,308.77

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Solution

The fourth proportional to 5,820.21, 8,724.29 and 2,308.77 is: 3,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.21 : 8,724.29 = 2,308.77 : x
  2. Step 2: Convert to fraction form
    5,820.21/8,724.29 = 2,308.77/x
  3. Step 3: Cross multiply
    5,820.21x = 8,724.29 × 2,308.77
  4. Step 4: Simplify right side
    5,820.21x = 20,142,367.48
  5. Step 5: Solve for x
    x = 20,142,367.48/5,820.21
  6. Step 6: Final answer
    x = 3,460.76

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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.