Home / 4,918.66-7,376.81-1,408.55

Finding the Fourth Proportional to 4,918.66, 7,376.81 and 1,408.55

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Solution

The fourth proportional to 4,918.66, 7,376.81 and 1,408.55 is: 2,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.66 : 7,376.81 = 1,408.55 : x
  2. Step 2: Convert to fraction form
    4,918.66/7,376.81 = 1,408.55/x
  3. Step 3: Cross multiply
    4,918.66x = 7,376.81 × 1,408.55
  4. Step 4: Simplify right side
    4,918.66x = 10,390,561.80
  5. Step 5: Solve for x
    x = 10,390,561.80/4,918.66
  6. Step 6: Final answer
    x = 2,112.48

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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.