Home / 5,261.00-7,259.76-3,136.37

Finding the Fourth Proportional to 5,261.00, 7,259.76 and 3,136.37

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Solution

The fourth proportional to 5,261.00, 7,259.76 and 3,136.37 is: 4,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.00 : 7,259.76 = 3,136.37 : x
  2. Step 2: Convert to fraction form
    5,261.00/7,259.76 = 3,136.37/x
  3. Step 3: Cross multiply
    5,261.00x = 7,259.76 × 3,136.37
  4. Step 4: Simplify right side
    5,261.00x = 22,769,257.17
  5. Step 5: Solve for x
    x = 22,769,257.17/5,261.00
  6. Step 6: Final answer
    x = 4,327.94

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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.