Home / 7,985.05-11,979.48-4,026.58

Finding the Fourth Proportional to 7,985.05, 11,979.48 and 4,026.58

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Solution

The fourth proportional to 7,985.05, 11,979.48 and 4,026.58 is: 6,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.05 : 11,979.48 = 4,026.58 : x
  2. Step 2: Convert to fraction form
    7,985.05/11,979.48 = 4,026.58/x
  3. Step 3: Cross multiply
    7,985.05x = 11,979.48 × 4,026.58
  4. Step 4: Simplify right side
    7,985.05x = 48,236,334.58
  5. Step 5: Solve for x
    x = 48,236,334.58/7,985.05
  6. Step 6: Final answer
    x = 6,040.83

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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.