Home / 4,584-6,876.06-1,121.25

Finding the Fourth Proportional to 4,584, 6,876.06 and 1,121.25

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Solution

The fourth proportional to 4,584, 6,876.06 and 1,121.25 is: 1,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584 : 6,876.06 = 1,121.25 : x
  2. Step 2: Convert to fraction form
    4,584/6,876.06 = 1,121.25/x
  3. Step 3: Cross multiply
    4,584x = 6,876.06 × 1,121.25
  4. Step 4: Simplify right side
    4,584x = 7,709,782.28
  5. Step 5: Solve for x
    x = 7,709,782.28/4,584
  6. Step 6: Final answer
    x = 1,681.89

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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.