Home / 5,085.44-7,631.36-1,625.28

Finding the Fourth Proportional to 5,085.44, 7,631.36 and 1,625.28

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Solution

The fourth proportional to 5,085.44, 7,631.36 and 1,625.28 is: 2,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.44 : 7,631.36 = 1,625.28 : x
  2. Step 2: Convert to fraction form
    5,085.44/7,631.36 = 1,625.28/x
  3. Step 3: Cross multiply
    5,085.44x = 7,631.36 × 1,625.28
  4. Step 4: Simplify right side
    5,085.44x = 12,403,096.78
  5. Step 5: Solve for x
    x = 12,403,096.78/5,085.44
  6. Step 6: Final answer
    x = 2,438.94

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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.