Home / 5,720.12-8,580.20-1,824.52

Finding the Fourth Proportional to 5,720.12, 8,580.20 and 1,824.52

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Solution

The fourth proportional to 5,720.12, 8,580.20 and 1,824.52 is: 2,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.12 : 8,580.20 = 1,824.52 : x
  2. Step 2: Convert to fraction form
    5,720.12/8,580.20 = 1,824.52/x
  3. Step 3: Cross multiply
    5,720.12x = 8,580.20 × 1,824.52
  4. Step 4: Simplify right side
    5,720.12x = 15,654,746.50
  5. Step 5: Solve for x
    x = 15,654,746.50/5,720.12
  6. Step 6: Final answer
    x = 2,736.79

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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.