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Finding the Fourth Proportional to 9,627.84, 13,279.84 and 5,903.68

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Solution

The fourth proportional to 9,627.84, 13,279.84 and 5,903.68 is: 8,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,627.84 : 13,279.84 = 5,903.68 : x
  2. Step 2: Convert to fraction form
    9,627.84/13,279.84 = 5,903.68/x
  3. Step 3: Cross multiply
    9,627.84x = 13,279.84 × 5,903.68
  4. Step 4: Simplify right side
    9,627.84x = 78,399,925.81
  5. Step 5: Solve for x
    x = 78,399,925.81/9,627.84
  6. Step 6: Final answer
    x = 8,143.04

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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.