Home / 9,212.78-13,818.98-2,973.26

Finding the Fourth Proportional to 9,212.78, 13,818.98 and 2,973.26

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Solution

The fourth proportional to 9,212.78, 13,818.98 and 2,973.26 is: 4,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.78 : 13,818.98 = 2,973.26 : x
  2. Step 2: Convert to fraction form
    9,212.78/13,818.98 = 2,973.26/x
  3. Step 3: Cross multiply
    9,212.78x = 13,818.98 × 2,973.26
  4. Step 4: Simplify right side
    9,212.78x = 41,087,336.51
  5. Step 5: Solve for x
    x = 41,087,336.51/9,212.78
  6. Step 6: Final answer
    x = 4,459.82

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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.