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Finding the Fourth Proportional to 7,381.48, 11,025.65 and 6,215.08

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Solution

The fourth proportional to 7,381.48, 11,025.65 and 6,215.08 is: 9,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.48 : 11,025.65 = 6,215.08 : x
  2. Step 2: Convert to fraction form
    7,381.48/11,025.65 = 6,215.08/x
  3. Step 3: Cross multiply
    7,381.48x = 11,025.65 × 6,215.08
  4. Step 4: Simplify right side
    7,381.48x = 68,525,296.80
  5. Step 5: Solve for x
    x = 68,525,296.80/7,381.48
  6. Step 6: Final answer
    x = 9,283.41

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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.