Home / 7,266.60-10,890.33-2,881.67

Finding the Fourth Proportional to 7,266.60, 10,890.33 and 2,881.67

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Solution

The fourth proportional to 7,266.60, 10,890.33 and 2,881.67 is: 4,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.60 : 10,890.33 = 2,881.67 : x
  2. Step 2: Convert to fraction form
    7,266.60/10,890.33 = 2,881.67/x
  3. Step 3: Cross multiply
    7,266.60x = 10,890.33 × 2,881.67
  4. Step 4: Simplify right side
    7,266.60x = 31,382,337.25
  5. Step 5: Solve for x
    x = 31,382,337.25/7,266.60
  6. Step 6: Final answer
    x = 4,318.71

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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.