Home / 7,623.44-11,423.35-5,287.98

Finding the Fourth Proportional to 7,623.44, 11,423.35 and 5,287.98

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Solution

The fourth proportional to 7,623.44, 11,423.35 and 5,287.98 is: 7,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.44 : 11,423.35 = 5,287.98 : x
  2. Step 2: Convert to fraction form
    7,623.44/11,423.35 = 5,287.98/x
  3. Step 3: Cross multiply
    7,623.44x = 11,423.35 × 5,287.98
  4. Step 4: Simplify right side
    7,623.44x = 60,406,446.33
  5. Step 5: Solve for x
    x = 60,406,446.33/7,623.44
  6. Step 6: Final answer
    x = 7,923.78

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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.