Home / 7,918.32-11,871.72-4,842.48

Finding the Fourth Proportional to 7,918.32, 11,871.72 and 4,842.48

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Solution

The fourth proportional to 7,918.32, 11,871.72 and 4,842.48 is: 7,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.32 : 11,871.72 = 4,842.48 : x
  2. Step 2: Convert to fraction form
    7,918.32/11,871.72 = 4,842.48/x
  3. Step 3: Cross multiply
    7,918.32x = 11,871.72 × 4,842.48
  4. Step 4: Simplify right side
    7,918.32x = 57,488,566.67
  5. Step 5: Solve for x
    x = 57,488,566.67/7,918.32
  6. Step 6: Final answer
    x = 7,260.20

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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.