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Finding the Fourth Proportional to 5,661.93, 7,814.39 and 3,304.07

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Solution

The fourth proportional to 5,661.93, 7,814.39 and 3,304.07 is: 4,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.93 : 7,814.39 = 3,304.07 : x
  2. Step 2: Convert to fraction form
    5,661.93/7,814.39 = 3,304.07/x
  3. Step 3: Cross multiply
    5,661.93x = 7,814.39 × 3,304.07
  4. Step 4: Simplify right side
    5,661.93x = 25,819,291.57
  5. Step 5: Solve for x
    x = 25,819,291.57/5,661.93
  6. Step 6: Final answer
    x = 4,560.16

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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.