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Finding the Fourth Proportional to 7,253.81, 10,015.90 and 5,572.55

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Solution

The fourth proportional to 7,253.81, 10,015.90 and 5,572.55 is: 7,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.81 : 10,015.90 = 5,572.55 : x
  2. Step 2: Convert to fraction form
    7,253.81/10,015.90 = 5,572.55/x
  3. Step 3: Cross multiply
    7,253.81x = 10,015.90 × 5,572.55
  4. Step 4: Simplify right side
    7,253.81x = 55,814,053.47
  5. Step 5: Solve for x
    x = 55,814,053.47/7,253.81
  6. Step 6: Final answer
    x = 7,694.45

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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.