Home / 4,460.87-6,686.48-1,992.30

Finding the Fourth Proportional to 4,460.87, 6,686.48 and 1,992.30

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Solution

The fourth proportional to 4,460.87, 6,686.48 and 1,992.30 is: 2,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.87 : 6,686.48 = 1,992.30 : x
  2. Step 2: Convert to fraction form
    4,460.87/6,686.48 = 1,992.30/x
  3. Step 3: Cross multiply
    4,460.87x = 6,686.48 × 1,992.30
  4. Step 4: Simplify right side
    4,460.87x = 13,321,454.01
  5. Step 5: Solve for x
    x = 13,321,454.01/4,460.87
  6. Step 6: Final answer
    x = 2,986.29

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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.