Home / 5,116.58-7,669.70-1,994.64

Finding the Fourth Proportional to 5,116.58, 7,669.70 and 1,994.64

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Solution

The fourth proportional to 5,116.58, 7,669.70 and 1,994.64 is: 2,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.58 : 7,669.70 = 1,994.64 : x
  2. Step 2: Convert to fraction form
    5,116.58/7,669.70 = 1,994.64/x
  3. Step 3: Cross multiply
    5,116.58x = 7,669.70 × 1,994.64
  4. Step 4: Simplify right side
    5,116.58x = 15,298,290.41
  5. Step 5: Solve for x
    x = 15,298,290.41/5,116.58
  6. Step 6: Final answer
    x = 2,989.94

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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.