Home / 4,087.08-6,131.53-1,490.02

Finding the Fourth Proportional to 4,087.08, 6,131.53 and 1,490.02

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Solution

The fourth proportional to 4,087.08, 6,131.53 and 1,490.02 is: 2,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.08 : 6,131.53 = 1,490.02 : x
  2. Step 2: Convert to fraction form
    4,087.08/6,131.53 = 1,490.02/x
  3. Step 3: Cross multiply
    4,087.08x = 6,131.53 × 1,490.02
  4. Step 4: Simplify right side
    4,087.08x = 9,136,083.28
  5. Step 5: Solve for x
    x = 9,136,083.28/4,087.08
  6. Step 6: Final answer
    x = 2,235.36

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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.