Home / 5,285.54-7,929.52-2,819.06

Finding the Fourth Proportional to 5,285.54, 7,929.52 and 2,819.06

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Solution

The fourth proportional to 5,285.54, 7,929.52 and 2,819.06 is: 4,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.54 : 7,929.52 = 2,819.06 : x
  2. Step 2: Convert to fraction form
    5,285.54/7,929.52 = 2,819.06/x
  3. Step 3: Cross multiply
    5,285.54x = 7,929.52 × 2,819.06
  4. Step 4: Simplify right side
    5,285.54x = 22,353,792.65
  5. Step 5: Solve for x
    x = 22,353,792.65/5,285.54
  6. Step 6: Final answer
    x = 4,229.24

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1.5x scale

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.