Home / 4,438.40-6,126.72-3,971.84

Finding the Fourth Proportional to 4,438.40, 6,126.72 and 3,971.84

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Solution

The fourth proportional to 4,438.40, 6,126.72 and 3,971.84 is: 5,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.40 : 6,126.72 = 3,971.84 : x
  2. Step 2: Convert to fraction form
    4,438.40/6,126.72 = 3,971.84/x
  3. Step 3: Cross multiply
    4,438.40x = 6,126.72 × 3,971.84
  4. Step 4: Simplify right side
    4,438.40x = 24,334,351.56
  5. Step 5: Solve for x
    x = 24,334,351.56/4,438.40
  6. Step 6: Final answer
    x = 5,482.69

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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.