Home / 7,848.86-11,779.23-3,956.54

Finding the Fourth Proportional to 7,848.86, 11,779.23 and 3,956.54

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Solution

The fourth proportional to 7,848.86, 11,779.23 and 3,956.54 is: 5,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.86 : 11,779.23 = 3,956.54 : x
  2. Step 2: Convert to fraction form
    7,848.86/11,779.23 = 3,956.54/x
  3. Step 3: Cross multiply
    7,848.86x = 11,779.23 × 3,956.54
  4. Step 4: Simplify right side
    7,848.86x = 46,604,994.66
  5. Step 5: Solve for x
    x = 46,604,994.66/7,848.86
  6. Step 6: Final answer
    x = 5,937.80

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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.