Home / 9,904.26-14,858.80-2,978.76

Finding the Fourth Proportional to 9,904.26, 14,858.80 and 2,978.76

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Solution

The fourth proportional to 9,904.26, 14,858.80 and 2,978.76 is: 4,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.26 : 14,858.80 = 2,978.76 : x
  2. Step 2: Convert to fraction form
    9,904.26/14,858.80 = 2,978.76/x
  3. Step 3: Cross multiply
    9,904.26x = 14,858.80 × 2,978.76
  4. Step 4: Simplify right side
    9,904.26x = 44,260,799.09
  5. Step 5: Solve for x
    x = 44,260,799.09/9,904.26
  6. Step 6: Final answer
    x = 4,468.86

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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.