Home / 4,906.60-7,360.74-1,618.80

Finding the Fourth Proportional to 4,906.60, 7,360.74 and 1,618.80

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Solution

The fourth proportional to 4,906.60, 7,360.74 and 1,618.80 is: 2,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.60 : 7,360.74 = 1,618.80 : x
  2. Step 2: Convert to fraction form
    4,906.60/7,360.74 = 1,618.80/x
  3. Step 3: Cross multiply
    4,906.60x = 7,360.74 × 1,618.80
  4. Step 4: Simplify right side
    4,906.60x = 11,915,565.91
  5. Step 5: Solve for x
    x = 11,915,565.91/4,906.60
  6. Step 6: Final answer
    x = 2,428.48

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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.