Home / 4,455.52-6,678.86-2,111.38

Finding the Fourth Proportional to 4,455.52, 6,678.86 and 2,111.38

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Solution

The fourth proportional to 4,455.52, 6,678.86 and 2,111.38 is: 3,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.52 : 6,678.86 = 2,111.38 : x
  2. Step 2: Convert to fraction form
    4,455.52/6,678.86 = 2,111.38/x
  3. Step 3: Cross multiply
    4,455.52x = 6,678.86 × 2,111.38
  4. Step 4: Simplify right side
    4,455.52x = 14,101,578.03
  5. Step 5: Solve for x
    x = 14,101,578.03/4,455.52
  6. Step 6: Final answer
    x = 3,164.97

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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.