Home / 4,315.89-6,474.66-1,393.41

Finding the Fourth Proportional to 4,315.89, 6,474.66 and 1,393.41

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Solution

The fourth proportional to 4,315.89, 6,474.66 and 1,393.41 is: 2,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.89 : 6,474.66 = 1,393.41 : x
  2. Step 2: Convert to fraction form
    4,315.89/6,474.66 = 1,393.41/x
  3. Step 3: Cross multiply
    4,315.89x = 6,474.66 × 1,393.41
  4. Step 4: Simplify right side
    4,315.89x = 9,021,855.99
  5. Step 5: Solve for x
    x = 9,021,855.99/4,315.89
  6. Step 6: Final answer
    x = 2,090.38

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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.