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Finding the Fourth Proportional to 5,010.65, 6,914.48 and 2,772.38

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Solution

The fourth proportional to 5,010.65, 6,914.48 and 2,772.38 is: 3,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.65 : 6,914.48 = 2,772.38 : x
  2. Step 2: Convert to fraction form
    5,010.65/6,914.48 = 2,772.38/x
  3. Step 3: Cross multiply
    5,010.65x = 6,914.48 × 2,772.38
  4. Step 4: Simplify right side
    5,010.65x = 19,169,566.06
  5. Step 5: Solve for x
    x = 19,169,566.06/5,010.65
  6. Step 6: Final answer
    x = 3,825.76

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1.5x scale

Why These Related Problems?

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