Home / 7,848.18-11,767.41-4,387.86

Finding the Fourth Proportional to 7,848.18, 11,767.41 and 4,387.86

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Solution

The fourth proportional to 7,848.18, 11,767.41 and 4,387.86 is: 6,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.18 : 11,767.41 = 4,387.86 : x
  2. Step 2: Convert to fraction form
    7,848.18/11,767.41 = 4,387.86/x
  3. Step 3: Cross multiply
    7,848.18x = 11,767.41 × 4,387.86
  4. Step 4: Simplify right side
    7,848.18x = 51,633,747.64
  5. Step 5: Solve for x
    x = 51,633,747.64/7,848.18
  6. Step 6: Final answer
    x = 6,579.07

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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.