Home / 4,348.08-6,486.86-3,991.28

Finding the Fourth Proportional to 4,348.08, 6,486.86 and 3,991.28

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Solution

The fourth proportional to 4,348.08, 6,486.86 and 3,991.28 is: 5,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,348.08 : 6,486.86 = 3,991.28 : x
  2. Step 2: Convert to fraction form
    4,348.08/6,486.86 = 3,991.28/x
  3. Step 3: Cross multiply
    4,348.08x = 6,486.86 × 3,991.28
  4. Step 4: Simplify right side
    4,348.08x = 25,890,852.12
  5. Step 5: Solve for x
    x = 25,890,852.12/4,348.08
  6. Step 6: Final answer
    x = 5,954.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.