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Finding the Fourth Proportional to 5,140.48, 7,750.72 and 4,708.48

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Solution

The fourth proportional to 5,140.48, 7,750.72 and 4,708.48 is: 7,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.48 : 7,750.72 = 4,708.48 : x
  2. Step 2: Convert to fraction form
    5,140.48/7,750.72 = 4,708.48/x
  3. Step 3: Cross multiply
    5,140.48x = 7,750.72 × 4,708.48
  4. Step 4: Simplify right side
    5,140.48x = 36,494,110.11
  5. Step 5: Solve for x
    x = 36,494,110.11/5,140.48
  6. Step 6: Final answer
    x = 7,099.36

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.