Home / 4,819.24-7,229.76-1,897.30

Finding the Fourth Proportional to 4,819.24, 7,229.76 and 1,897.30

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Solution

The fourth proportional to 4,819.24, 7,229.76 and 1,897.30 is: 2,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.24 : 7,229.76 = 1,897.30 : x
  2. Step 2: Convert to fraction form
    4,819.24/7,229.76 = 1,897.30/x
  3. Step 3: Cross multiply
    4,819.24x = 7,229.76 × 1,897.30
  4. Step 4: Simplify right side
    4,819.24x = 13,717,023.65
  5. Step 5: Solve for x
    x = 13,717,023.65/4,819.24
  6. Step 6: Final answer
    x = 2,846.30

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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.