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Finding the Fourth Proportional to 4,158, 6,237 and 1,080

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Solution

The fourth proportional to 4,158, 6,237 and 1,080 is: 1,620

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158 : 6,237 = 1,080 : x
  2. Step 2: Convert to fraction form
    4,158/6,237 = 1,080/x
  3. Step 3: Cross multiply
    4,158x = 6,237 × 1,080
  4. Step 4: Simplify right side
    4,158x = 6,735,960
  5. Step 5: Solve for x
    x = 6,735,960/4,158
  6. Step 6: Final answer
    x = 1,620

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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.