Home / 9,380.63-14,071.41-2,806.88

Finding the Fourth Proportional to 9,380.63, 14,071.41 and 2,806.88

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Solution

The fourth proportional to 9,380.63, 14,071.41 and 2,806.88 is: 4,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.63 : 14,071.41 = 2,806.88 : x
  2. Step 2: Convert to fraction form
    9,380.63/14,071.41 = 2,806.88/x
  3. Step 3: Cross multiply
    9,380.63x = 14,071.41 × 2,806.88
  4. Step 4: Simplify right side
    9,380.63x = 39,496,688.94
  5. Step 5: Solve for x
    x = 39,496,688.94/9,380.63
  6. Step 6: Final answer
    x = 4,210.45

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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.