Home / 4,391.44-6,588.16-1,271.48

Finding the Fourth Proportional to 4,391.44, 6,588.16 and 1,271.48

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Solution

The fourth proportional to 4,391.44, 6,588.16 and 1,271.48 is: 1,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.44 : 6,588.16 = 1,271.48 : x
  2. Step 2: Convert to fraction form
    4,391.44/6,588.16 = 1,271.48/x
  3. Step 3: Cross multiply
    4,391.44x = 6,588.16 × 1,271.48
  4. Step 4: Simplify right side
    4,391.44x = 8,376,713.68
  5. Step 5: Solve for x
    x = 8,376,713.68/4,391.44
  6. Step 6: Final answer
    x = 1,907.51

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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.