Home / 8,451.31-11,662.91-4,674.79

Finding the Fourth Proportional to 8,451.31, 11,662.91 and 4,674.79

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Solution

The fourth proportional to 8,451.31, 11,662.91 and 4,674.79 is: 6,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.31 : 11,662.91 = 4,674.79 : x
  2. Step 2: Convert to fraction form
    8,451.31/11,662.91 = 4,674.79/x
  3. Step 3: Cross multiply
    8,451.31x = 11,662.91 × 4,674.79
  4. Step 4: Simplify right side
    8,451.31x = 54,521,655.04
  5. Step 5: Solve for x
    x = 54,521,655.04/8,451.31
  6. Step 6: Final answer
    x = 6,451.27

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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.