Home / 5,180.37-7,770.47-2,257.98

Finding the Fourth Proportional to 5,180.37, 7,770.47 and 2,257.98

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Solution

The fourth proportional to 5,180.37, 7,770.47 and 2,257.98 is: 3,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.37 : 7,770.47 = 2,257.98 : x
  2. Step 2: Convert to fraction form
    5,180.37/7,770.47 = 2,257.98/x
  3. Step 3: Cross multiply
    5,180.37x = 7,770.47 × 2,257.98
  4. Step 4: Simplify right side
    5,180.37x = 17,545,554.56
  5. Step 5: Solve for x
    x = 17,545,554.56/5,180.37
  6. Step 6: Final answer
    x = 3,386.93

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1.5x scale

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.