Home / 4,431.66-6,114.31-2,638.32

Finding the Fourth Proportional to 4,431.66, 6,114.31 and 2,638.32

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Solution

The fourth proportional to 4,431.66, 6,114.31 and 2,638.32 is: 3,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.66 : 6,114.31 = 2,638.32 : x
  2. Step 2: Convert to fraction form
    4,431.66/6,114.31 = 2,638.32/x
  3. Step 3: Cross multiply
    4,431.66x = 6,114.31 × 2,638.32
  4. Step 4: Simplify right side
    4,431.66x = 16,131,506.36
  5. Step 5: Solve for x
    x = 16,131,506.36/4,431.66
  6. Step 6: Final answer
    x = 3,640.06

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1.5x scale

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.