Home / 8,556.08-12,829.52-4,394.40

Finding the Fourth Proportional to 8,556.08, 12,829.52 and 4,394.40

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Solution

The fourth proportional to 8,556.08, 12,829.52 and 4,394.40 is: 6,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.08 : 12,829.52 = 4,394.40 : x
  2. Step 2: Convert to fraction form
    8,556.08/12,829.52 = 4,394.40/x
  3. Step 3: Cross multiply
    8,556.08x = 12,829.52 × 4,394.40
  4. Step 4: Simplify right side
    8,556.08x = 56,378,042.69
  5. Step 5: Solve for x
    x = 56,378,042.69/8,556.08
  6. Step 6: Final answer
    x = 6,589.24

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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.