Home / 5,261.50-7,893.60-1,798.75

Finding the Fourth Proportional to 5,261.50, 7,893.60 and 1,798.75

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Solution

The fourth proportional to 5,261.50, 7,893.60 and 1,798.75 is: 2,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.50 : 7,893.60 = 1,798.75 : x
  2. Step 2: Convert to fraction form
    5,261.50/7,893.60 = 1,798.75/x
  3. Step 3: Cross multiply
    5,261.50x = 7,893.60 × 1,798.75
  4. Step 4: Simplify right side
    5,261.50x = 14,198,613
  5. Step 5: Solve for x
    x = 14,198,613/5,261.50
  6. Step 6: Final answer
    x = 2,698.59

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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.