Home / 4,858.60-7,287.90-2,084.80

Finding the Fourth Proportional to 4,858.60, 7,287.90 and 2,084.80

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Solution

The fourth proportional to 4,858.60, 7,287.90 and 2,084.80 is: 3,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.60 : 7,287.90 = 2,084.80 : x
  2. Step 2: Convert to fraction form
    4,858.60/7,287.90 = 2,084.80/x
  3. Step 3: Cross multiply
    4,858.60x = 7,287.90 × 2,084.80
  4. Step 4: Simplify right side
    4,858.60x = 15,193,813.92
  5. Step 5: Solve for x
    x = 15,193,813.92/4,858.60
  6. Step 6: Final answer
    x = 3,127.20

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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.