Home / 8,627.04-12,930.84-4,247.57

Finding the Fourth Proportional to 8,627.04, 12,930.84 and 4,247.57

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Solution

The fourth proportional to 8,627.04, 12,930.84 and 4,247.57 is: 6,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.04 : 12,930.84 = 4,247.57 : x
  2. Step 2: Convert to fraction form
    8,627.04/12,930.84 = 4,247.57/x
  3. Step 3: Cross multiply
    8,627.04x = 12,930.84 × 4,247.57
  4. Step 4: Simplify right side
    8,627.04x = 54,924,680.39
  5. Step 5: Solve for x
    x = 54,924,680.39/8,627.04
  6. Step 6: Final answer
    x = 6,366.57

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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.