Home / 4,860.71-7,285.55-2,085.97

Finding the Fourth Proportional to 4,860.71, 7,285.55 and 2,085.97

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Solution

The fourth proportional to 4,860.71, 7,285.55 and 2,085.97 is: 3,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.71 : 7,285.55 = 2,085.97 : x
  2. Step 2: Convert to fraction form
    4,860.71/7,285.55 = 2,085.97/x
  3. Step 3: Cross multiply
    4,860.71x = 7,285.55 × 2,085.97
  4. Step 4: Simplify right side
    4,860.71x = 15,197,410.09
  5. Step 5: Solve for x
    x = 15,197,410.09/4,860.71
  6. Step 6: Final answer
    x = 3,126.58

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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.