Home / 7,904.34-11,872.89-6,272.37

Finding the Fourth Proportional to 7,904.34, 11,872.89 and 6,272.37

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Solution

The fourth proportional to 7,904.34, 11,872.89 and 6,272.37 is: 9,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.34 : 11,872.89 = 6,272.37 : x
  2. Step 2: Convert to fraction form
    7,904.34/11,872.89 = 6,272.37/x
  3. Step 3: Cross multiply
    7,904.34x = 11,872.89 × 6,272.37
  4. Step 4: Simplify right side
    7,904.34x = 74,471,159.05
  5. Step 5: Solve for x
    x = 74,471,159.05/7,904.34
  6. Step 6: Final answer
    x = 9,421.55

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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.