Home / 7,880.38-11,813.25-2,946.27

Finding the Fourth Proportional to 7,880.38, 11,813.25 and 2,946.27

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Solution

The fourth proportional to 7,880.38, 11,813.25 and 2,946.27 is: 4,416.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.38 : 11,813.25 = 2,946.27 : x
  2. Step 2: Convert to fraction form
    7,880.38/11,813.25 = 2,946.27/x
  3. Step 3: Cross multiply
    7,880.38x = 11,813.25 × 2,946.27
  4. Step 4: Simplify right side
    7,880.38x = 34,805,024.08
  5. Step 5: Solve for x
    x = 34,805,024.08/7,880.38
  6. Step 6: Final answer
    x = 4,416.67

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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.