Home / 8,556.47-11,806.49-4,779.50

Finding the Fourth Proportional to 8,556.47, 11,806.49 and 4,779.50

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Solution

The fourth proportional to 8,556.47, 11,806.49 and 4,779.50 is: 6,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.47 : 11,806.49 = 4,779.50 : x
  2. Step 2: Convert to fraction form
    8,556.47/11,806.49 = 4,779.50/x
  3. Step 3: Cross multiply
    8,556.47x = 11,806.49 × 4,779.50
  4. Step 4: Simplify right side
    8,556.47x = 56,429,118.96
  5. Step 5: Solve for x
    x = 56,429,118.96/8,556.47
  6. Step 6: Final answer
    x = 6,594.91

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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.