Home / 7,899.96-11,845.42-6,342.84

Finding the Fourth Proportional to 7,899.96, 11,845.42 and 6,342.84

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Solution

The fourth proportional to 7,899.96, 11,845.42 and 6,342.84 is: 9,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.96 : 11,845.42 = 6,342.84 : x
  2. Step 2: Convert to fraction form
    7,899.96/11,845.42 = 6,342.84/x
  3. Step 3: Cross multiply
    7,899.96x = 11,845.42 × 6,342.84
  4. Step 4: Simplify right side
    7,899.96x = 75,133,603.79
  5. Step 5: Solve for x
    x = 75,133,603.79/7,899.96
  6. Step 6: Final answer
    x = 9,510.63

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1.5x scale

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.