Home / 4,958.16-7,438.55-2,185.40

Finding the Fourth Proportional to 4,958.16, 7,438.55 and 2,185.40

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Solution

The fourth proportional to 4,958.16, 7,438.55 and 2,185.40 is: 3,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.16 : 7,438.55 = 2,185.40 : x
  2. Step 2: Convert to fraction form
    4,958.16/7,438.55 = 2,185.40/x
  3. Step 3: Cross multiply
    4,958.16x = 7,438.55 × 2,185.40
  4. Step 4: Simplify right side
    4,958.16x = 16,256,159.05
  5. Step 5: Solve for x
    x = 16,256,159.05/4,958.16
  6. Step 6: Final answer
    x = 3,278.67

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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.