Home / 4,087.02-6,131.38-1,489.98

Finding the Fourth Proportional to 4,087.02, 6,131.38 and 1,489.98

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Solution

The fourth proportional to 4,087.02, 6,131.38 and 1,489.98 is: 2,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.02 : 6,131.38 = 1,489.98 : x
  2. Step 2: Convert to fraction form
    4,087.02/6,131.38 = 1,489.98/x
  3. Step 3: Cross multiply
    4,087.02x = 6,131.38 × 1,489.98
  4. Step 4: Simplify right side
    4,087.02x = 9,135,633.57
  5. Step 5: Solve for x
    x = 9,135,633.57/4,087.02
  6. Step 6: Final answer
    x = 2,235.28

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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.