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Finding the Fourth Proportional to 6,101.88, 8,428.44 and 5,358.28

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Solution

The fourth proportional to 6,101.88, 8,428.44 and 5,358.28 is: 7,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.88 : 8,428.44 = 5,358.28 : x
  2. Step 2: Convert to fraction form
    6,101.88/8,428.44 = 5,358.28/x
  3. Step 3: Cross multiply
    6,101.88x = 8,428.44 × 5,358.28
  4. Step 4: Simplify right side
    6,101.88x = 45,161,941.48
  5. Step 5: Solve for x
    x = 45,161,941.48/6,101.88
  6. Step 6: Final answer
    x = 7,401.32

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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.