Home / 7,907.21-10,912.44-4,549.95

Finding the Fourth Proportional to 7,907.21, 10,912.44 and 4,549.95

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Solution

The fourth proportional to 7,907.21, 10,912.44 and 4,549.95 is: 6,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.21 : 10,912.44 = 4,549.95 : x
  2. Step 2: Convert to fraction form
    7,907.21/10,912.44 = 4,549.95/x
  3. Step 3: Cross multiply
    7,907.21x = 10,912.44 × 4,549.95
  4. Step 4: Simplify right side
    7,907.21x = 49,651,056.38
  5. Step 5: Solve for x
    x = 49,651,056.38/7,907.21
  6. Step 6: Final answer
    x = 6,279.22

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1.5x scale

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.