Home / 5,725.20-8,587.69-1,829.50

Finding the Fourth Proportional to 5,725.20, 8,587.69 and 1,829.50

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Solution

The fourth proportional to 5,725.20, 8,587.69 and 1,829.50 is: 2,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.20 : 8,587.69 = 1,829.50 : x
  2. Step 2: Convert to fraction form
    5,725.20/8,587.69 = 1,829.50/x
  3. Step 3: Cross multiply
    5,725.20x = 8,587.69 × 1,829.50
  4. Step 4: Simplify right side
    5,725.20x = 15,711,178.86
  5. Step 5: Solve for x
    x = 15,711,178.86/5,725.20
  6. Step 6: Final answer
    x = 2,744.21

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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.