Home / 8,309.43-11,467.31-4,771.98

Finding the Fourth Proportional to 8,309.43, 11,467.31 and 4,771.98

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Solution

The fourth proportional to 8,309.43, 11,467.31 and 4,771.98 is: 6,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.43 : 11,467.31 = 4,771.98 : x
  2. Step 2: Convert to fraction form
    8,309.43/11,467.31 = 4,771.98/x
  3. Step 3: Cross multiply
    8,309.43x = 11,467.31 × 4,771.98
  4. Step 4: Simplify right side
    8,309.43x = 54,721,750.11
  5. Step 5: Solve for x
    x = 54,721,750.11/8,309.43
  6. Step 6: Final answer
    x = 6,585.50

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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.