Home / 7,914.42-11,858.67-5,712.84

Finding the Fourth Proportional to 7,914.42, 11,858.67 and 5,712.84

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Solution

The fourth proportional to 7,914.42, 11,858.67 and 5,712.84 is: 8,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.42 : 11,858.67 = 5,712.84 : x
  2. Step 2: Convert to fraction form
    7,914.42/11,858.67 = 5,712.84/x
  3. Step 3: Cross multiply
    7,914.42x = 11,858.67 × 5,712.84
  4. Step 4: Simplify right side
    7,914.42x = 67,746,684.32
  5. Step 5: Solve for x
    x = 67,746,684.32/7,914.42
  6. Step 6: Final answer
    x = 8,559.91

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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.