Home / 4,830.23-7,239.78-2,193.78

Finding the Fourth Proportional to 4,830.23, 7,239.78 and 2,193.78

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Solution

The fourth proportional to 4,830.23, 7,239.78 and 2,193.78 is: 3,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.23 : 7,239.78 = 2,193.78 : x
  2. Step 2: Convert to fraction form
    4,830.23/7,239.78 = 2,193.78/x
  3. Step 3: Cross multiply
    4,830.23x = 7,239.78 × 2,193.78
  4. Step 4: Simplify right side
    4,830.23x = 15,882,511.72
  5. Step 5: Solve for x
    x = 15,882,511.72/4,830.23
  6. Step 6: Final answer
    x = 3,288.15

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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.