Home / 4,884.60-7,323.30-3,320.70

Finding the Fourth Proportional to 4,884.60, 7,323.30 and 3,320.70

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Solution

The fourth proportional to 4,884.60, 7,323.30 and 3,320.70 is: 4,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.60 : 7,323.30 = 3,320.70 : x
  2. Step 2: Convert to fraction form
    4,884.60/7,323.30 = 3,320.70/x
  3. Step 3: Cross multiply
    4,884.60x = 7,323.30 × 3,320.70
  4. Step 4: Simplify right side
    4,884.60x = 24,318,482.31
  5. Step 5: Solve for x
    x = 24,318,482.31/4,884.60
  6. Step 6: Final answer
    x = 4,978.60

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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.