Home / 3,999.15-5,517-2,506.32

Finding the Fourth Proportional to 3,999.15, 5,517 and 2,506.32

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Solution

The fourth proportional to 3,999.15, 5,517 and 2,506.32 is: 3,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.15 : 5,517 = 2,506.32 : x
  2. Step 2: Convert to fraction form
    3,999.15/5,517 = 2,506.32/x
  3. Step 3: Cross multiply
    3,999.15x = 5,517 × 2,506.32
  4. Step 4: Simplify right side
    3,999.15x = 13,827,367.44
  5. Step 5: Solve for x
    x = 13,827,367.44/3,999.15
  6. Step 6: Final answer
    x = 3,457.58

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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.