Home / 8,346.72-11,571.16-7,902.84

Finding the Fourth Proportional to 8,346.72, 11,571.16 and 7,902.84

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Solution

The fourth proportional to 8,346.72, 11,571.16 and 7,902.84 is: 10,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.72 : 11,571.16 = 7,902.84 : x
  2. Step 2: Convert to fraction form
    8,346.72/11,571.16 = 7,902.84/x
  3. Step 3: Cross multiply
    8,346.72x = 11,571.16 × 7,902.84
  4. Step 4: Simplify right side
    8,346.72x = 91,445,026.09
  5. Step 5: Solve for x
    x = 91,445,026.09/8,346.72
  6. Step 6: Final answer
    x = 10,955.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.