Home / 9,618.75-14,428.11-3,045.45

Finding the Fourth Proportional to 9,618.75, 14,428.11 and 3,045.45

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Solution

The fourth proportional to 9,618.75, 14,428.11 and 3,045.45 is: 4,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.75 : 14,428.11 = 3,045.45 : x
  2. Step 2: Convert to fraction form
    9,618.75/14,428.11 = 3,045.45/x
  3. Step 3: Cross multiply
    9,618.75x = 14,428.11 × 3,045.45
  4. Step 4: Simplify right side
    9,618.75x = 43,940,087.60
  5. Step 5: Solve for x
    x = 43,940,087.60/9,618.75
  6. Step 6: Final answer
    x = 4,568.17

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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.