Home / 7,834.74-11,751.30-2,905.08

Finding the Fourth Proportional to 7,834.74, 11,751.30 and 2,905.08

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Solution

The fourth proportional to 7,834.74, 11,751.30 and 2,905.08 is: 4,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.74 : 11,751.30 = 2,905.08 : x
  2. Step 2: Convert to fraction form
    7,834.74/11,751.30 = 2,905.08/x
  3. Step 3: Cross multiply
    7,834.74x = 11,751.30 × 2,905.08
  4. Step 4: Simplify right side
    7,834.74x = 34,138,466.60
  5. Step 5: Solve for x
    x = 34,138,466.60/7,834.74
  6. Step 6: Final answer
    x = 4,357.32

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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.