Home / 9,428.33-14,145.53-2,855.18

Finding the Fourth Proportional to 9,428.33, 14,145.53 and 2,855.18

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Solution

The fourth proportional to 9,428.33, 14,145.53 and 2,855.18 is: 4,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.33 : 14,145.53 = 2,855.18 : x
  2. Step 2: Convert to fraction form
    9,428.33/14,145.53 = 2,855.18/x
  3. Step 3: Cross multiply
    9,428.33x = 14,145.53 × 2,855.18
  4. Step 4: Simplify right side
    9,428.33x = 40,387,949.34
  5. Step 5: Solve for x
    x = 40,387,949.34/9,428.33
  6. Step 6: Final answer
    x = 4,283.68

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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.