Home / 7,941.20-11,907.19-4,647.38

Finding the Fourth Proportional to 7,941.20, 11,907.19 and 4,647.38

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Solution

The fourth proportional to 7,941.20, 11,907.19 and 4,647.38 is: 6,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.20 : 11,907.19 = 4,647.38 : x
  2. Step 2: Convert to fraction form
    7,941.20/11,907.19 = 4,647.38/x
  3. Step 3: Cross multiply
    7,941.20x = 11,907.19 × 4,647.38
  4. Step 4: Simplify right side
    7,941.20x = 55,337,176.40
  5. Step 5: Solve for x
    x = 55,337,176.40/7,941.20
  6. Step 6: Final answer
    x = 6,968.36

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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.