Home / 5,818.20-8,725.47-3,627.55

Finding the Fourth Proportional to 5,818.20, 8,725.47 and 3,627.55

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Solution

The fourth proportional to 5,818.20, 8,725.47 and 3,627.55 is: 5,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.20 : 8,725.47 = 3,627.55 : x
  2. Step 2: Convert to fraction form
    5,818.20/8,725.47 = 3,627.55/x
  3. Step 3: Cross multiply
    5,818.20x = 8,725.47 × 3,627.55
  4. Step 4: Simplify right side
    5,818.20x = 31,652,078.70
  5. Step 5: Solve for x
    x = 31,652,078.70/5,818.20
  6. Step 6: Final answer
    x = 5,440.18

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1.5x scale

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.