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Finding the Fourth Proportional to 5,000.72, 6,901.58 and 3,012.28

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Solution

The fourth proportional to 5,000.72, 6,901.58 and 3,012.28 is: 4,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.72 : 6,901.58 = 3,012.28 : x
  2. Step 2: Convert to fraction form
    5,000.72/6,901.58 = 3,012.28/x
  3. Step 3: Cross multiply
    5,000.72x = 6,901.58 × 3,012.28
  4. Step 4: Simplify right side
    5,000.72x = 20,789,491.40
  5. Step 5: Solve for x
    x = 20,789,491.40/5,000.72
  6. Step 6: Final answer
    x = 4,157.30

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