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Finding the Fourth Proportional to 8,858.33, 12,220.70 and 5,670.84

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Solution

The fourth proportional to 8,858.33, 12,220.70 and 5,670.84 is: 7,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.33 : 12,220.70 = 5,670.84 : x
  2. Step 2: Convert to fraction form
    8,858.33/12,220.70 = 5,670.84/x
  3. Step 3: Cross multiply
    8,858.33x = 12,220.70 × 5,670.84
  4. Step 4: Simplify right side
    8,858.33x = 69,301,606.03
  5. Step 5: Solve for x
    x = 69,301,606.03/8,858.33
  6. Step 6: Final answer
    x = 7,823.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.