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Finding the Fourth Proportional to 8,526, 12,789 and 2,370

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Solution

The fourth proportional to 8,526, 12,789 and 2,370 is: 3,555

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526 : 12,789 = 2,370 : x
  2. Step 2: Convert to fraction form
    8,526/12,789 = 2,370/x
  3. Step 3: Cross multiply
    8,526x = 12,789 × 2,370
  4. Step 4: Simplify right side
    8,526x = 30,309,930
  5. Step 5: Solve for x
    x = 30,309,930/8,526
  6. Step 6: Final answer
    x = 3,555

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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.