Home / 4,980.66-7,469.37-1,693.68

Finding the Fourth Proportional to 4,980.66, 7,469.37 and 1,693.68

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Solution

The fourth proportional to 4,980.66, 7,469.37 and 1,693.68 is: 2,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.66 : 7,469.37 = 1,693.68 : x
  2. Step 2: Convert to fraction form
    4,980.66/7,469.37 = 1,693.68/x
  3. Step 3: Cross multiply
    4,980.66x = 7,469.37 × 1,693.68
  4. Step 4: Simplify right side
    4,980.66x = 12,650,722.58
  5. Step 5: Solve for x
    x = 12,650,722.58/4,980.66
  6. Step 6: Final answer
    x = 2,539.97

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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.