Home / 4,766.60-7,149.90-1,256.60

Finding the Fourth Proportional to 4,766.60, 7,149.90 and 1,256.60

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Solution

The fourth proportional to 4,766.60, 7,149.90 and 1,256.60 is: 1,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.60 : 7,149.90 = 1,256.60 : x
  2. Step 2: Convert to fraction form
    4,766.60/7,149.90 = 1,256.60/x
  3. Step 3: Cross multiply
    4,766.60x = 7,149.90 × 1,256.60
  4. Step 4: Simplify right side
    4,766.60x = 8,984,564.34
  5. Step 5: Solve for x
    x = 8,984,564.34/4,766.60
  6. Step 6: Final answer
    x = 1,884.90

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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.