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Finding the Fourth Proportional to 5,797.52, 8,001.30 and 3,809.72

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Solution

The fourth proportional to 5,797.52, 8,001.30 and 3,809.72 is: 5,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797.52 : 8,001.30 = 3,809.72 : x
  2. Step 2: Convert to fraction form
    5,797.52/8,001.30 = 3,809.72/x
  3. Step 3: Cross multiply
    5,797.52x = 8,001.30 × 3,809.72
  4. Step 4: Simplify right side
    5,797.52x = 30,482,712.64
  5. Step 5: Solve for x
    x = 30,482,712.64/5,797.52
  6. Step 6: Final answer
    x = 5,257.89

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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.