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Finding the Fourth Proportional to 5,812.52, 8,021.04 and 3,159.84

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Solution

The fourth proportional to 5,812.52, 8,021.04 and 3,159.84 is: 4,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.52 : 8,021.04 = 3,159.84 : x
  2. Step 2: Convert to fraction form
    5,812.52/8,021.04 = 3,159.84/x
  3. Step 3: Cross multiply
    5,812.52x = 8,021.04 × 3,159.84
  4. Step 4: Simplify right side
    5,812.52x = 25,345,203.03
  5. Step 5: Solve for x
    x = 25,345,203.03/5,812.52
  6. Step 6: Final answer
    x = 4,360.45

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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.