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Finding the Fourth Proportional to 4,894.93, 7,323.99 and 2,913.25

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Solution

The fourth proportional to 4,894.93, 7,323.99 and 2,913.25 is: 4,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.93 : 7,323.99 = 2,913.25 : x
  2. Step 2: Convert to fraction form
    4,894.93/7,323.99 = 2,913.25/x
  3. Step 3: Cross multiply
    4,894.93x = 7,323.99 × 2,913.25
  4. Step 4: Simplify right side
    4,894.93x = 21,336,613.87
  5. Step 5: Solve for x
    x = 21,336,613.87/4,894.93
  6. Step 6: Final answer
    x = 4,358.92

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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.