Home / 8,556.20-11,803.94-6,323.40

Finding the Fourth Proportional to 8,556.20, 11,803.94 and 6,323.40

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Solution

The fourth proportional to 8,556.20, 11,803.94 and 6,323.40 is: 8,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.20 : 11,803.94 = 6,323.40 : x
  2. Step 2: Convert to fraction form
    8,556.20/11,803.94 = 6,323.40/x
  3. Step 3: Cross multiply
    8,556.20x = 11,803.94 × 6,323.40
  4. Step 4: Simplify right side
    8,556.20x = 74,641,034.20
  5. Step 5: Solve for x
    x = 74,641,034.20/8,556.20
  6. Step 6: Final answer
    x = 8,723.62

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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.