Home / 7,977.36-11,967.95-4,018.89

Finding the Fourth Proportional to 7,977.36, 11,967.95 and 4,018.89

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Solution

The fourth proportional to 7,977.36, 11,967.95 and 4,018.89 is: 6,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.36 : 11,967.95 = 4,018.89 : x
  2. Step 2: Convert to fraction form
    7,977.36/11,967.95 = 4,018.89/x
  3. Step 3: Cross multiply
    7,977.36x = 11,967.95 × 4,018.89
  4. Step 4: Simplify right side
    7,977.36x = 48,097,874.58
  5. Step 5: Solve for x
    x = 48,097,874.58/7,977.36
  6. Step 6: Final answer
    x = 6,029.30

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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.