Home / 8,556.19-11,808.15-4,779.99

Finding the Fourth Proportional to 8,556.19, 11,808.15 and 4,779.99

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Solution

The fourth proportional to 8,556.19, 11,808.15 and 4,779.99 is: 6,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.19 : 11,808.15 = 4,779.99 : x
  2. Step 2: Convert to fraction form
    8,556.19/11,808.15 = 4,779.99/x
  3. Step 3: Cross multiply
    8,556.19x = 11,808.15 × 4,779.99
  4. Step 4: Simplify right side
    8,556.19x = 56,442,838.92
  5. Step 5: Solve for x
    x = 56,442,838.92/8,556.19
  6. Step 6: Final answer
    x = 6,596.73

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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.