Home / 7,819.49-11,730.00-2,271.34

Finding the Fourth Proportional to 7,819.49, 11,730.00 and 2,271.34

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Solution

The fourth proportional to 7,819.49, 11,730.00 and 2,271.34 is: 3,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.49 : 11,730.00 = 2,271.34 : x
  2. Step 2: Convert to fraction form
    7,819.49/11,730.00 = 2,271.34/x
  3. Step 3: Cross multiply
    7,819.49x = 11,730.00 × 2,271.34
  4. Step 4: Simplify right side
    7,819.49x = 26,642,828.60
  5. Step 5: Solve for x
    x = 26,642,828.60/7,819.49
  6. Step 6: Final answer
    x = 3,407.23

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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.