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Finding the Fourth Proportional to 4,739.22, 7,100.19 and 4,635.54

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Solution

The fourth proportional to 4,739.22, 7,100.19 and 4,635.54 is: 6,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.22 : 7,100.19 = 4,635.54 : x
  2. Step 2: Convert to fraction form
    4,739.22/7,100.19 = 4,635.54/x
  3. Step 3: Cross multiply
    4,739.22x = 7,100.19 × 4,635.54
  4. Step 4: Simplify right side
    4,739.22x = 32,913,214.75
  5. Step 5: Solve for x
    x = 32,913,214.75/4,739.22
  6. Step 6: Final answer
    x = 6,944.86

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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.