Home / 7,890.42-11,837.25-2,960.04

Finding the Fourth Proportional to 7,890.42, 11,837.25 and 2,960.04

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Solution

The fourth proportional to 7,890.42, 11,837.25 and 2,960.04 is: 4,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.42 : 11,837.25 = 2,960.04 : x
  2. Step 2: Convert to fraction form
    7,890.42/11,837.25 = 2,960.04/x
  3. Step 3: Cross multiply
    7,890.42x = 11,837.25 × 2,960.04
  4. Step 4: Simplify right side
    7,890.42x = 35,038,733.49
  5. Step 5: Solve for x
    x = 35,038,733.49/7,890.42
  6. Step 6: Final answer
    x = 4,440.67

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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.