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Finding the Fourth Proportional to 5,283.07, 7,288.99 and 3,044.64

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Solution

The fourth proportional to 5,283.07, 7,288.99 and 3,044.64 is: 4,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.07 : 7,288.99 = 3,044.64 : x
  2. Step 2: Convert to fraction form
    5,283.07/7,288.99 = 3,044.64/x
  3. Step 3: Cross multiply
    5,283.07x = 7,288.99 × 3,044.64
  4. Step 4: Simplify right side
    5,283.07x = 22,192,359.99
  5. Step 5: Solve for x
    x = 22,192,359.99/5,283.07
  6. Step 6: Final answer
    x = 4,200.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.