Home / 4,929.08-7,391.30-1,806.88

Finding the Fourth Proportional to 4,929.08, 7,391.30 and 1,806.88

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Solution

The fourth proportional to 4,929.08, 7,391.30 and 1,806.88 is: 2,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.08 : 7,391.30 = 1,806.88 : x
  2. Step 2: Convert to fraction form
    4,929.08/7,391.30 = 1,806.88/x
  3. Step 3: Cross multiply
    4,929.08x = 7,391.30 × 1,806.88
  4. Step 4: Simplify right side
    4,929.08x = 13,355,192.14
  5. Step 5: Solve for x
    x = 13,355,192.14/4,929.08
  6. Step 6: Final answer
    x = 2,709.47

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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.