Home / 8,627.22-12,942.75-4,729.62

Finding the Fourth Proportional to 8,627.22, 12,942.75 and 4,729.62

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Solution

The fourth proportional to 8,627.22, 12,942.75 and 4,729.62 is: 7,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.22 : 12,942.75 = 4,729.62 : x
  2. Step 2: Convert to fraction form
    8,627.22/12,942.75 = 4,729.62/x
  3. Step 3: Cross multiply
    8,627.22x = 12,942.75 × 4,729.62
  4. Step 4: Simplify right side
    8,627.22x = 61,214,289.26
  5. Step 5: Solve for x
    x = 61,214,289.26/8,627.22
  6. Step 6: Final answer
    x = 7,095.48

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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.