Home / 6,370.24-9,555.49-1,987.73

Finding the Fourth Proportional to 6,370.24, 9,555.49 and 1,987.73

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Solution

The fourth proportional to 6,370.24, 9,555.49 and 1,987.73 is: 2,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.24 : 9,555.49 = 1,987.73 : x
  2. Step 2: Convert to fraction form
    6,370.24/9,555.49 = 1,987.73/x
  3. Step 3: Cross multiply
    6,370.24x = 9,555.49 × 1,987.73
  4. Step 4: Simplify right side
    6,370.24x = 18,993,734.14
  5. Step 5: Solve for x
    x = 18,993,734.14/6,370.24
  6. Step 6: Final answer
    x = 2,981.64

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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.