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Finding the Fourth Proportional to 5,038, 7,557 and 1,960

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Solution

The fourth proportional to 5,038, 7,557 and 1,960 is: 2,940

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038 : 7,557 = 1,960 : x
  2. Step 2: Convert to fraction form
    5,038/7,557 = 1,960/x
  3. Step 3: Cross multiply
    5,038x = 7,557 × 1,960
  4. Step 4: Simplify right side
    5,038x = 14,811,720
  5. Step 5: Solve for x
    x = 14,811,720/5,038
  6. Step 6: Final answer
    x = 2,940

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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.