Home / 5,071.10-6,999.29-2,975.90

Finding the Fourth Proportional to 5,071.10, 6,999.29 and 2,975.90

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Solution

The fourth proportional to 5,071.10, 6,999.29 and 2,975.90 is: 4,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.10 : 6,999.29 = 2,975.90 : x
  2. Step 2: Convert to fraction form
    5,071.10/6,999.29 = 2,975.90/x
  3. Step 3: Cross multiply
    5,071.10x = 6,999.29 × 2,975.90
  4. Step 4: Simplify right side
    5,071.10x = 20,829,137.24
  5. Step 5: Solve for x
    x = 20,829,137.24/5,071.10
  6. Step 6: Final answer
    x = 4,107.42

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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.