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Finding the Fourth Proportional to 7,370.89, 10,172.03 and 4,013.85

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Solution

The fourth proportional to 7,370.89, 10,172.03 and 4,013.85 is: 5,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.89 : 10,172.03 = 4,013.85 : x
  2. Step 2: Convert to fraction form
    7,370.89/10,172.03 = 4,013.85/x
  3. Step 3: Cross multiply
    7,370.89x = 10,172.03 × 4,013.85
  4. Step 4: Simplify right side
    7,370.89x = 40,828,931.69
  5. Step 5: Solve for x
    x = 40,828,931.69/7,370.89
  6. Step 6: Final answer
    x = 5,539.21

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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.