Home / 5,281.18-7,287.50-2,923.26

Finding the Fourth Proportional to 5,281.18, 7,287.50 and 2,923.26

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Solution

The fourth proportional to 5,281.18, 7,287.50 and 2,923.26 is: 4,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.18 : 7,287.50 = 2,923.26 : x
  2. Step 2: Convert to fraction form
    5,281.18/7,287.50 = 2,923.26/x
  3. Step 3: Cross multiply
    5,281.18x = 7,287.50 × 2,923.26
  4. Step 4: Simplify right side
    5,281.18x = 21,303,257.25
  5. Step 5: Solve for x
    x = 21,303,257.25/5,281.18
  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.