Home / 4,451.23-6,678.87-1,679.32

Finding the Fourth Proportional to 4,451.23, 6,678.87 and 1,679.32

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Solution

The fourth proportional to 4,451.23, 6,678.87 and 1,679.32 is: 2,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.23 : 6,678.87 = 1,679.32 : x
  2. Step 2: Convert to fraction form
    4,451.23/6,678.87 = 1,679.32/x
  3. Step 3: Cross multiply
    4,451.23x = 6,678.87 × 1,679.32
  4. Step 4: Simplify right side
    4,451.23x = 11,215,959.97
  5. Step 5: Solve for x
    x = 11,215,959.97/4,451.23
  6. Step 6: Final answer
    x = 2,519.74

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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.