Home / 6,361.10-8,778.26-3,528.50

Finding the Fourth Proportional to 6,361.10, 8,778.26 and 3,528.50

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Solution

The fourth proportional to 6,361.10, 8,778.26 and 3,528.50 is: 4,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.10 : 8,778.26 = 3,528.50 : x
  2. Step 2: Convert to fraction form
    6,361.10/8,778.26 = 3,528.50/x
  3. Step 3: Cross multiply
    6,361.10x = 8,778.26 × 3,528.50
  4. Step 4: Simplify right side
    6,361.10x = 30,974,090.41
  5. Step 5: Solve for x
    x = 30,974,090.41/6,361.10
  6. Step 6: Final answer
    x = 4,869.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.