Home / 4,540.50-6,810.60-1,253.78

Finding the Fourth Proportional to 4,540.50, 6,810.60 and 1,253.78

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Solution

The fourth proportional to 4,540.50, 6,810.60 and 1,253.78 is: 1,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.50 : 6,810.60 = 1,253.78 : x
  2. Step 2: Convert to fraction form
    4,540.50/6,810.60 = 1,253.78/x
  3. Step 3: Cross multiply
    4,540.50x = 6,810.60 × 1,253.78
  4. Step 4: Simplify right side
    4,540.50x = 8,538,994.07
  5. Step 5: Solve for x
    x = 8,538,994.07/4,540.50
  6. Step 6: Final answer
    x = 1,880.63

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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.