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Finding the Fourth Proportional to 6,459.18, 8,915.07 and 3,805.62

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Solution

The fourth proportional to 6,459.18, 8,915.07 and 3,805.62 is: 5,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.18 : 8,915.07 = 3,805.62 : x
  2. Step 2: Convert to fraction form
    6,459.18/8,915.07 = 3,805.62/x
  3. Step 3: Cross multiply
    6,459.18x = 8,915.07 × 3,805.62
  4. Step 4: Simplify right side
    6,459.18x = 33,927,368.69
  5. Step 5: Solve for x
    x = 33,927,368.69/6,459.18
  6. Step 6: Final answer
    x = 5,252.58

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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.