Home / 5,281.07-7,287.61-2,923.16

Finding the Fourth Proportional to 5,281.07, 7,287.61 and 2,923.16

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Solution

The fourth proportional to 5,281.07, 7,287.61 and 2,923.16 is: 4,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.07 : 7,287.61 = 2,923.16 : x
  2. Step 2: Convert to fraction form
    5,281.07/7,287.61 = 2,923.16/x
  3. Step 3: Cross multiply
    5,281.07x = 7,287.61 × 2,923.16
  4. Step 4: Simplify right side
    5,281.07x = 21,302,850.05
  5. Step 5: Solve for x
    x = 21,302,850.05/5,281.07
  6. Step 6: Final answer
    x = 4,033.81

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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.