Home / 4,677.92-6,456.45-2,788.56

Finding the Fourth Proportional to 4,677.92, 6,456.45 and 2,788.56

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Solution

The fourth proportional to 4,677.92, 6,456.45 and 2,788.56 is: 3,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.92 : 6,456.45 = 2,788.56 : x
  2. Step 2: Convert to fraction form
    4,677.92/6,456.45 = 2,788.56/x
  3. Step 3: Cross multiply
    4,677.92x = 6,456.45 × 2,788.56
  4. Step 4: Simplify right side
    4,677.92x = 18,004,198.21
  5. Step 5: Solve for x
    x = 18,004,198.21/4,677.92
  6. Step 6: Final answer
    x = 3,848.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.