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Finding the Fourth Proportional to 5,034, 7,551 and 1,386

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Solution

The fourth proportional to 5,034, 7,551 and 1,386 is: 2,079

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034 : 7,551 = 1,386 : x
  2. Step 2: Convert to fraction form
    5,034/7,551 = 1,386/x
  3. Step 3: Cross multiply
    5,034x = 7,551 × 1,386
  4. Step 4: Simplify right side
    5,034x = 10,465,686
  5. Step 5: Solve for x
    x = 10,465,686/5,034
  6. Step 6: Final answer
    x = 2,079

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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.