Home / 9,188.30-13,780.60-2,946.65

Finding the Fourth Proportional to 9,188.30, 13,780.60 and 2,946.65

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Solution

The fourth proportional to 9,188.30, 13,780.60 and 2,946.65 is: 4,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.30 : 13,780.60 = 2,946.65 : x
  2. Step 2: Convert to fraction form
    9,188.30/13,780.60 = 2,946.65/x
  3. Step 3: Cross multiply
    9,188.30x = 13,780.60 × 2,946.65
  4. Step 4: Simplify right side
    9,188.30x = 40,606,528.72
  5. Step 5: Solve for x
    x = 40,606,528.72/9,188.30
  6. Step 6: Final answer
    x = 4,419.37

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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.