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Finding the Fourth Proportional to 5,661.33, 8,482.40 and 3,465.47

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Solution

The fourth proportional to 5,661.33, 8,482.40 and 3,465.47 is: 5,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.33 : 8,482.40 = 3,465.47 : x
  2. Step 2: Convert to fraction form
    5,661.33/8,482.40 = 3,465.47/x
  3. Step 3: Cross multiply
    5,661.33x = 8,482.40 × 3,465.47
  4. Step 4: Simplify right side
    5,661.33x = 29,395,502.73
  5. Step 5: Solve for x
    x = 29,395,502.73/5,661.33
  6. Step 6: Final answer
    x = 5,192.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.