Home / 5,270.22-7,270.94-3,030.98

Finding the Fourth Proportional to 5,270.22, 7,270.94 and 3,030.98

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Solution

The fourth proportional to 5,270.22, 7,270.94 and 3,030.98 is: 4,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.22 : 7,270.94 = 3,030.98 : x
  2. Step 2: Convert to fraction form
    5,270.22/7,270.94 = 3,030.98/x
  3. Step 3: Cross multiply
    5,270.22x = 7,270.94 × 3,030.98
  4. Step 4: Simplify right side
    5,270.22x = 22,038,073.72
  5. Step 5: Solve for x
    x = 22,038,073.72/5,270.22
  6. Step 6: Final answer
    x = 4,181.62

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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.