Home / 4,830.80-7,229.40-2,884.40

Finding the Fourth Proportional to 4,830.80, 7,229.40 and 2,884.40

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Solution

The fourth proportional to 4,830.80, 7,229.40 and 2,884.40 is: 4,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.80 : 7,229.40 = 2,884.40 : x
  2. Step 2: Convert to fraction form
    4,830.80/7,229.40 = 2,884.40/x
  3. Step 3: Cross multiply
    4,830.80x = 7,229.40 × 2,884.40
  4. Step 4: Simplify right side
    4,830.80x = 20,852,481.36
  5. Step 5: Solve for x
    x = 20,852,481.36/4,830.80
  6. Step 6: Final answer
    x = 4,316.57

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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.