Home / 7,848.23-11,788.74-6,618.06

Finding the Fourth Proportional to 7,848.23, 11,788.74 and 6,618.06

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Solution

The fourth proportional to 7,848.23, 11,788.74 and 6,618.06 is: 9,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.23 : 11,788.74 = 6,618.06 : x
  2. Step 2: Convert to fraction form
    7,848.23/11,788.74 = 6,618.06/x
  3. Step 3: Cross multiply
    7,848.23x = 11,788.74 × 6,618.06
  4. Step 4: Simplify right side
    7,848.23x = 78,018,588.64
  5. Step 5: Solve for x
    x = 78,018,588.64/7,848.23
  6. Step 6: Final answer
    x = 9,940.92

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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.