Home / 4,638.23-6,960.08-1,718.57

Finding the Fourth Proportional to 4,638.23, 6,960.08 and 1,718.57

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Solution

The fourth proportional to 4,638.23, 6,960.08 and 1,718.57 is: 2,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.23 : 6,960.08 = 1,718.57 : x
  2. Step 2: Convert to fraction form
    4,638.23/6,960.08 = 1,718.57/x
  3. Step 3: Cross multiply
    4,638.23x = 6,960.08 × 1,718.57
  4. Step 4: Simplify right side
    4,638.23x = 11,961,376.09
  5. Step 5: Solve for x
    x = 11,961,376.09/4,638.23
  6. Step 6: Final answer
    x = 2,578.87

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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.