Home / 7,678.06-11,508.06-4,393.42

Finding the Fourth Proportional to 7,678.06, 11,508.06 and 4,393.42

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Solution

The fourth proportional to 7,678.06, 11,508.06 and 4,393.42 is: 6,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.06 : 11,508.06 = 4,393.42 : x
  2. Step 2: Convert to fraction form
    7,678.06/11,508.06 = 4,393.42/x
  3. Step 3: Cross multiply
    7,678.06x = 11,508.06 × 4,393.42
  4. Step 4: Simplify right side
    7,678.06x = 50,559,740.97
  5. Step 5: Solve for x
    x = 50,559,740.97/7,678.06
  6. Step 6: Final answer
    x = 6,584.96

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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.