Home / 9,871.30-14,806.38-4,027.78

Finding the Fourth Proportional to 9,871.30, 14,806.38 and 4,027.78

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Solution

The fourth proportional to 9,871.30, 14,806.38 and 4,027.78 is: 6,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.30 : 14,806.38 = 4,027.78 : x
  2. Step 2: Convert to fraction form
    9,871.30/14,806.38 = 4,027.78/x
  3. Step 3: Cross multiply
    9,871.30x = 14,806.38 × 4,027.78
  4. Step 4: Simplify right side
    9,871.30x = 59,636,841.24
  5. Step 5: Solve for x
    x = 59,636,841.24/9,871.30
  6. Step 6: Final answer
    x = 6,041.44

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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.