Home / 4,646-6,971.39-3,087.08

Finding the Fourth Proportional to 4,646, 6,971.39 and 3,087.08

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Solution

The fourth proportional to 4,646, 6,971.39 and 3,087.08 is: 4,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646 : 6,971.39 = 3,087.08 : x
  2. Step 2: Convert to fraction form
    4,646/6,971.39 = 3,087.08/x
  3. Step 3: Cross multiply
    4,646x = 6,971.39 × 3,087.08
  4. Step 4: Simplify right side
    4,646x = 21,521,238.64
  5. Step 5: Solve for x
    x = 21,521,238.64/4,646
  6. Step 6: Final answer
    x = 4,632.21

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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.