Home / 5,287.63-7,296.43-3,162.73

Finding the Fourth Proportional to 5,287.63, 7,296.43 and 3,162.73

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Solution

The fourth proportional to 5,287.63, 7,296.43 and 3,162.73 is: 4,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.63 : 7,296.43 = 3,162.73 : x
  2. Step 2: Convert to fraction form
    5,287.63/7,296.43 = 3,162.73/x
  3. Step 3: Cross multiply
    5,287.63x = 7,296.43 × 3,162.73
  4. Step 4: Simplify right side
    5,287.63x = 23,076,638.05
  5. Step 5: Solve for x
    x = 23,076,638.05/5,287.63
  6. Step 6: Final answer
    x = 4,364.27

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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.