Home / 5,474.51-8,212.96-1,777.11

Finding the Fourth Proportional to 5,474.51, 8,212.96 and 1,777.11

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Solution

The fourth proportional to 5,474.51, 8,212.96 and 1,777.11 is: 2,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.51 : 8,212.96 = 1,777.11 : x
  2. Step 2: Convert to fraction form
    5,474.51/8,212.96 = 1,777.11/x
  3. Step 3: Cross multiply
    5,474.51x = 8,212.96 × 1,777.11
  4. Step 4: Simplify right side
    5,474.51x = 14,595,333.35
  5. Step 5: Solve for x
    x = 14,595,333.35/5,474.51
  6. Step 6: Final answer
    x = 2,666.05

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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.