Home / 4,722.92-7,086.31-2,381.66

Finding the Fourth Proportional to 4,722.92, 7,086.31 and 2,381.66

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Solution

The fourth proportional to 4,722.92, 7,086.31 and 2,381.66 is: 3,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.92 : 7,086.31 = 2,381.66 : x
  2. Step 2: Convert to fraction form
    4,722.92/7,086.31 = 2,381.66/x
  3. Step 3: Cross multiply
    4,722.92x = 7,086.31 × 2,381.66
  4. Step 4: Simplify right side
    4,722.92x = 16,877,181.07
  5. Step 5: Solve for x
    x = 16,877,181.07/4,722.92
  6. Step 6: Final answer
    x = 3,573.46

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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.