Home / 5,556.80-8,330.30-2,779.54

Finding the Fourth Proportional to 5,556.80, 8,330.30 and 2,779.54

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Solution

The fourth proportional to 5,556.80, 8,330.30 and 2,779.54 is: 4,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.80 : 8,330.30 = 2,779.54 : x
  2. Step 2: Convert to fraction form
    5,556.80/8,330.30 = 2,779.54/x
  3. Step 3: Cross multiply
    5,556.80x = 8,330.30 × 2,779.54
  4. Step 4: Simplify right side
    5,556.80x = 23,154,346.51
  5. Step 5: Solve for x
    x = 23,154,346.51/5,556.80
  6. Step 6: Final answer
    x = 4,166.85

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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.