Home / 4,087.44-6,131.18-1,125.93

Finding the Fourth Proportional to 4,087.44, 6,131.18 and 1,125.93

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Solution

The fourth proportional to 4,087.44, 6,131.18 and 1,125.93 is: 1,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.44 : 6,131.18 = 1,125.93 : x
  2. Step 2: Convert to fraction form
    4,087.44/6,131.18 = 1,125.93/x
  3. Step 3: Cross multiply
    4,087.44x = 6,131.18 × 1,125.93
  4. Step 4: Simplify right side
    4,087.44x = 6,903,243.21
  5. Step 5: Solve for x
    x = 6,903,243.21/4,087.44
  6. Step 6: Final answer
    x = 1,688.89

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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.