Home / 9,137.75-12,610.10-4,946

Finding the Fourth Proportional to 9,137.75, 12,610.10 and 4,946

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Solution

The fourth proportional to 9,137.75, 12,610.10 and 4,946 is: 6,825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.75 : 12,610.10 = 4,946 : x
  2. Step 2: Convert to fraction form
    9,137.75/12,610.10 = 4,946/x
  3. Step 3: Cross multiply
    9,137.75x = 12,610.10 × 4,946
  4. Step 4: Simplify right side
    9,137.75x = 62,369,554.60
  5. Step 5: Solve for x
    x = 62,369,554.60/9,137.75
  6. Step 6: Final answer
    x = 6,825.48

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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.