Home / 9,311.12-13,967.88-3,071.76

Finding the Fourth Proportional to 9,311.12, 13,967.88 and 3,071.76

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Solution

The fourth proportional to 9,311.12, 13,967.88 and 3,071.76 is: 4,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.12 : 13,967.88 = 3,071.76 : x
  2. Step 2: Convert to fraction form
    9,311.12/13,967.88 = 3,071.76/x
  3. Step 3: Cross multiply
    9,311.12x = 13,967.88 × 3,071.76
  4. Step 4: Simplify right side
    9,311.12x = 42,905,975.07
  5. Step 5: Solve for x
    x = 42,905,975.07/9,311.12
  6. Step 6: Final answer
    x = 4,608.04

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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.