Home / 8,268.93-11,405.46-5,283.45

Finding the Fourth Proportional to 8,268.93, 11,405.46 and 5,283.45

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Solution

The fourth proportional to 8,268.93, 11,405.46 and 5,283.45 is: 7,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.93 : 11,405.46 = 5,283.45 : x
  2. Step 2: Convert to fraction form
    8,268.93/11,405.46 = 5,283.45/x
  3. Step 3: Cross multiply
    8,268.93x = 11,405.46 × 5,283.45
  4. Step 4: Simplify right side
    8,268.93x = 60,260,177.64
  5. Step 5: Solve for x
    x = 60,260,177.64/8,268.93
  6. Step 6: Final answer
    x = 7,287.54

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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.