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Finding the Fourth Proportional to 7,303, 10,951.92 and 2,919.28

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Solution

The fourth proportional to 7,303, 10,951.92 and 2,919.28 is: 4,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303 : 10,951.92 = 2,919.28 : x
  2. Step 2: Convert to fraction form
    7,303/10,951.92 = 2,919.28/x
  3. Step 3: Cross multiply
    7,303x = 10,951.92 × 2,919.28
  4. Step 4: Simplify right side
    7,303x = 31,971,721.02
  5. Step 5: Solve for x
    x = 31,971,721.02/7,303
  6. Step 6: Final answer
    x = 4,377.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.