Home / 4,619.78-6,889.50-4,361.04

Finding the Fourth Proportional to 4,619.78, 6,889.50 and 4,361.04

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Solution

The fourth proportional to 4,619.78, 6,889.50 and 4,361.04 is: 6,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.78 : 6,889.50 = 4,361.04 : x
  2. Step 2: Convert to fraction form
    4,619.78/6,889.50 = 4,361.04/x
  3. Step 3: Cross multiply
    4,619.78x = 6,889.50 × 4,361.04
  4. Step 4: Simplify right side
    4,619.78x = 30,045,385.08
  5. Step 5: Solve for x
    x = 30,045,385.08/4,619.78
  6. Step 6: Final answer
    x = 6,503.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.