Home / 8,556.33-11,806.56-4,779.30

Finding the Fourth Proportional to 8,556.33, 11,806.56 and 4,779.30

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Solution

The fourth proportional to 8,556.33, 11,806.56 and 4,779.30 is: 6,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.33 : 11,806.56 = 4,779.30 : x
  2. Step 2: Convert to fraction form
    8,556.33/11,806.56 = 4,779.30/x
  3. Step 3: Cross multiply
    8,556.33x = 11,806.56 × 4,779.30
  4. Step 4: Simplify right side
    8,556.33x = 56,427,136.48
  5. Step 5: Solve for x
    x = 56,427,136.48/8,556.33
  6. Step 6: Final answer
    x = 6,594.78

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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.