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Finding the Fourth Proportional to 9,868, 14,802 and 2,572

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Solution

The fourth proportional to 9,868, 14,802 and 2,572 is: 3,858

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868 : 14,802 = 2,572 : x
  2. Step 2: Convert to fraction form
    9,868/14,802 = 2,572/x
  3. Step 3: Cross multiply
    9,868x = 14,802 × 2,572
  4. Step 4: Simplify right side
    9,868x = 38,070,744
  5. Step 5: Solve for x
    x = 38,070,744/9,868
  6. Step 6: Final answer
    x = 3,858

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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.