Home / 4,540.60-6,812.10-1,618.60

Finding the Fourth Proportional to 4,540.60, 6,812.10 and 1,618.60

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Solution

The fourth proportional to 4,540.60, 6,812.10 and 1,618.60 is: 2,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.60 : 6,812.10 = 1,618.60 : x
  2. Step 2: Convert to fraction form
    4,540.60/6,812.10 = 1,618.60/x
  3. Step 3: Cross multiply
    4,540.60x = 6,812.10 × 1,618.60
  4. Step 4: Simplify right side
    4,540.60x = 11,026,065.06
  5. Step 5: Solve for x
    x = 11,026,065.06/4,540.60
  6. Step 6: Final answer
    x = 2,428.33

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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.