Home / 7,848.66-11,761.65-4,378.62

Finding the Fourth Proportional to 7,848.66, 11,761.65 and 4,378.62

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Solution

The fourth proportional to 7,848.66, 11,761.65 and 4,378.62 is: 6,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.66 : 11,761.65 = 4,378.62 : x
  2. Step 2: Convert to fraction form
    7,848.66/11,761.65 = 4,378.62/x
  3. Step 3: Cross multiply
    7,848.66x = 11,761.65 × 4,378.62
  4. Step 4: Simplify right side
    7,848.66x = 51,499,795.92
  5. Step 5: Solve for x
    x = 51,499,795.92/7,848.66
  6. Step 6: Final answer
    x = 6,561.60

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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.