Home / 4,453.16-6,679.74-1,987.38

Finding the Fourth Proportional to 4,453.16, 6,679.74 and 1,987.38

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Solution

The fourth proportional to 4,453.16, 6,679.74 and 1,987.38 is: 2,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.16 : 6,679.74 = 1,987.38 : x
  2. Step 2: Convert to fraction form
    4,453.16/6,679.74 = 1,987.38/x
  3. Step 3: Cross multiply
    4,453.16x = 6,679.74 × 1,987.38
  4. Step 4: Simplify right side
    4,453.16x = 13,275,181.68
  5. Step 5: Solve for x
    x = 13,275,181.68/4,453.16
  6. Step 6: Final answer
    x = 2,981.07

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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.