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Finding the Fourth Proportional to 7,141.45, 10,661.05 and 6,207.53

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Solution

The fourth proportional to 7,141.45, 10,661.05 and 6,207.53 is: 9,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.45 : 10,661.05 = 6,207.53 : x
  2. Step 2: Convert to fraction form
    7,141.45/10,661.05 = 6,207.53/x
  3. Step 3: Cross multiply
    7,141.45x = 10,661.05 × 6,207.53
  4. Step 4: Simplify right side
    7,141.45x = 66,178,787.71
  5. Step 5: Solve for x
    x = 66,178,787.71/7,141.45
  6. Step 6: Final answer
    x = 9,266.86

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.