Home / 5,259.21-7,256.70-3,163.47

Finding the Fourth Proportional to 5,259.21, 7,256.70 and 3,163.47

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Solution

The fourth proportional to 5,259.21, 7,256.70 and 3,163.47 is: 4,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.21 : 7,256.70 = 3,163.47 : x
  2. Step 2: Convert to fraction form
    5,259.21/7,256.70 = 3,163.47/x
  3. Step 3: Cross multiply
    5,259.21x = 7,256.70 × 3,163.47
  4. Step 4: Simplify right side
    5,259.21x = 22,956,352.75
  5. Step 5: Solve for x
    x = 22,956,352.75/5,259.21
  6. Step 6: Final answer
    x = 4,364.98

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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.