Home / 4,090.22-6,135.93-1,315.98

Finding the Fourth Proportional to 4,090.22, 6,135.93 and 1,315.98

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Solution

The fourth proportional to 4,090.22, 6,135.93 and 1,315.98 is: 1,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.22 : 6,135.93 = 1,315.98 : x
  2. Step 2: Convert to fraction form
    4,090.22/6,135.93 = 1,315.98/x
  3. Step 3: Cross multiply
    4,090.22x = 6,135.93 × 1,315.98
  4. Step 4: Simplify right side
    4,090.22x = 8,074,761.16
  5. Step 5: Solve for x
    x = 8,074,761.16/4,090.22
  6. Step 6: Final answer
    x = 1,974.16

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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.