Home / 4,556.80-6,288.96-2,878.96

Finding the Fourth Proportional to 4,556.80, 6,288.96 and 2,878.96

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Solution

The fourth proportional to 4,556.80, 6,288.96 and 2,878.96 is: 3,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,556.80 : 6,288.96 = 2,878.96 : x
  2. Step 2: Convert to fraction form
    4,556.80/6,288.96 = 2,878.96/x
  3. Step 3: Cross multiply
    4,556.80x = 6,288.96 × 2,878.96
  4. Step 4: Simplify right side
    4,556.80x = 18,105,664.28
  5. Step 5: Solve for x
    x = 18,105,664.28/4,556.80
  6. Step 6: Final answer
    x = 3,973.33

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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.