Home / 4,857.07-7,285.60-2,081.95

Finding the Fourth Proportional to 4,857.07, 7,285.60 and 2,081.95

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Solution

The fourth proportional to 4,857.07, 7,285.60 and 2,081.95 is: 3,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.07 : 7,285.60 = 2,081.95 : x
  2. Step 2: Convert to fraction form
    4,857.07/7,285.60 = 2,081.95/x
  3. Step 3: Cross multiply
    4,857.07x = 7,285.60 × 2,081.95
  4. Step 4: Simplify right side
    4,857.07x = 15,168,208.08
  5. Step 5: Solve for x
    x = 15,168,208.08/4,857.07
  6. Step 6: Final answer
    x = 3,122.91

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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.