Home / 5,152.89-7,726.08-1,865.37

Finding the Fourth Proportional to 5,152.89, 7,726.08 and 1,865.37

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Solution

The fourth proportional to 5,152.89, 7,726.08 and 1,865.37 is: 2,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.89 : 7,726.08 = 1,865.37 : x
  2. Step 2: Convert to fraction form
    5,152.89/7,726.08 = 1,865.37/x
  3. Step 3: Cross multiply
    5,152.89x = 7,726.08 × 1,865.37
  4. Step 4: Simplify right side
    5,152.89x = 14,411,997.85
  5. Step 5: Solve for x
    x = 14,411,997.85/5,152.89
  6. Step 6: Final answer
    x = 2,796.88

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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.