Home / 5,116.28-7,672.23-1,994.63

Finding the Fourth Proportional to 5,116.28, 7,672.23 and 1,994.63

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Solution

The fourth proportional to 5,116.28, 7,672.23 and 1,994.63 is: 2,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.28 : 7,672.23 = 1,994.63 : x
  2. Step 2: Convert to fraction form
    5,116.28/7,672.23 = 1,994.63/x
  3. Step 3: Cross multiply
    5,116.28x = 7,672.23 × 1,994.63
  4. Step 4: Simplify right side
    5,116.28x = 15,303,221.76
  5. Step 5: Solve for x
    x = 15,303,221.76/5,116.28
  6. Step 6: Final answer
    x = 2,991.09

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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.