Home / 5,261.36-7,893.68-1,563.60

Finding the Fourth Proportional to 5,261.36, 7,893.68 and 1,563.60

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Solution

The fourth proportional to 5,261.36, 7,893.68 and 1,563.60 is: 2,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.36 : 7,893.68 = 1,563.60 : x
  2. Step 2: Convert to fraction form
    5,261.36/7,893.68 = 1,563.60/x
  3. Step 3: Cross multiply
    5,261.36x = 7,893.68 × 1,563.60
  4. Step 4: Simplify right side
    5,261.36x = 12,342,558.05
  5. Step 5: Solve for x
    x = 12,342,558.05/5,261.36
  6. Step 6: Final answer
    x = 2,345.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.