Home / 5,259.94-7,890.33-1,749.82

Finding the Fourth Proportional to 5,259.94, 7,890.33 and 1,749.82

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Solution

The fourth proportional to 5,259.94, 7,890.33 and 1,749.82 is: 2,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.94 : 7,890.33 = 1,749.82 : x
  2. Step 2: Convert to fraction form
    5,259.94/7,890.33 = 1,749.82/x
  3. Step 3: Cross multiply
    5,259.94x = 7,890.33 × 1,749.82
  4. Step 4: Simplify right side
    5,259.94x = 13,806,657.24
  5. Step 5: Solve for x
    x = 13,806,657.24/5,259.94
  6. Step 6: Final answer
    x = 2,624.87

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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.