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Finding the Fourth Proportional to 8,528, 12,792 and 2,372

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Solution

The fourth proportional to 8,528, 12,792 and 2,372 is: 3,558

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528 : 12,792 = 2,372 : x
  2. Step 2: Convert to fraction form
    8,528/12,792 = 2,372/x
  3. Step 3: Cross multiply
    8,528x = 12,792 × 2,372
  4. Step 4: Simplify right side
    8,528x = 30,342,624
  5. Step 5: Solve for x
    x = 30,342,624/8,528
  6. Step 6: Final answer
    x = 3,558

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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.