Home / 4,906.58-7,359.36-1,620.20

Finding the Fourth Proportional to 4,906.58, 7,359.36 and 1,620.20

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Solution

The fourth proportional to 4,906.58, 7,359.36 and 1,620.20 is: 2,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.58 : 7,359.36 = 1,620.20 : x
  2. Step 2: Convert to fraction form
    4,906.58/7,359.36 = 1,620.20/x
  3. Step 3: Cross multiply
    4,906.58x = 7,359.36 × 1,620.20
  4. Step 4: Simplify right side
    4,906.58x = 11,923,647.39
  5. Step 5: Solve for x
    x = 11,923,647.39/4,906.58
  6. Step 6: Final answer
    x = 2,430.14

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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.