Home / 4,860.31-7,290.44-2,085.19

Finding the Fourth Proportional to 4,860.31, 7,290.44 and 2,085.19

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Solution

The fourth proportional to 4,860.31, 7,290.44 and 2,085.19 is: 3,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.31 : 7,290.44 = 2,085.19 : x
  2. Step 2: Convert to fraction form
    4,860.31/7,290.44 = 2,085.19/x
  3. Step 3: Cross multiply
    4,860.31x = 7,290.44 × 2,085.19
  4. Step 4: Simplify right side
    4,860.31x = 15,201,952.58
  5. Step 5: Solve for x
    x = 15,201,952.58/4,860.31
  6. Step 6: Final answer
    x = 3,127.77

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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.