Home / 9,376.80-14,066.64-4,757.28

Finding the Fourth Proportional to 9,376.80, 14,066.64 and 4,757.28

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Solution

The fourth proportional to 9,376.80, 14,066.64 and 4,757.28 is: 7,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.80 : 14,066.64 = 4,757.28 : x
  2. Step 2: Convert to fraction form
    9,376.80/14,066.64 = 4,757.28/x
  3. Step 3: Cross multiply
    9,376.80x = 14,066.64 × 4,757.28
  4. Step 4: Simplify right side
    9,376.80x = 66,918,945.14
  5. Step 5: Solve for x
    x = 66,918,945.14/9,376.80
  6. Step 6: Final answer
    x = 7,136.65

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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.