Home / 5,259.76-7,887.33-1,970.54

Finding the Fourth Proportional to 5,259.76, 7,887.33 and 1,970.54

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Solution

The fourth proportional to 5,259.76, 7,887.33 and 1,970.54 is: 2,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.76 : 7,887.33 = 1,970.54 : x
  2. Step 2: Convert to fraction form
    5,259.76/7,887.33 = 1,970.54/x
  3. Step 3: Cross multiply
    5,259.76x = 7,887.33 × 1,970.54
  4. Step 4: Simplify right side
    5,259.76x = 15,542,299.26
  5. Step 5: Solve for x
    x = 15,542,299.26/5,259.76
  6. Step 6: Final answer
    x = 2,954.94

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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.