Home / 4,704.60-7,056.90-4,272.60

Finding the Fourth Proportional to 4,704.60, 7,056.90 and 4,272.60

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Solution

The fourth proportional to 4,704.60, 7,056.90 and 4,272.60 is: 6,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,704.60 : 7,056.90 = 4,272.60 : x
  2. Step 2: Convert to fraction form
    4,704.60/7,056.90 = 4,272.60/x
  3. Step 3: Cross multiply
    4,704.60x = 7,056.90 × 4,272.60
  4. Step 4: Simplify right side
    4,704.60x = 30,151,310.94
  5. Step 5: Solve for x
    x = 30,151,310.94/4,704.60
  6. Step 6: Final answer
    x = 6,408.90

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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.