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Finding the Fourth Proportional to 5,796.63, 8,001.65 and 3,913.65

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Solution

The fourth proportional to 5,796.63, 8,001.65 and 3,913.65 is: 5,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796.63 : 8,001.65 = 3,913.65 : x
  2. Step 2: Convert to fraction form
    5,796.63/8,001.65 = 3,913.65/x
  3. Step 3: Cross multiply
    5,796.63x = 8,001.65 × 3,913.65
  4. Step 4: Simplify right side
    5,796.63x = 31,315,667.31
  5. Step 5: Solve for x
    x = 31,315,667.31/5,796.63
  6. Step 6: Final answer
    x = 5,402.39

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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.