Home / 7,144.09-9,858.98-4,000.27

Finding the Fourth Proportional to 7,144.09, 9,858.98 and 4,000.27

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Solution

The fourth proportional to 7,144.09, 9,858.98 and 4,000.27 is: 5,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.09 : 9,858.98 = 4,000.27 : x
  2. Step 2: Convert to fraction form
    7,144.09/9,858.98 = 4,000.27/x
  3. Step 3: Cross multiply
    7,144.09x = 9,858.98 × 4,000.27
  4. Step 4: Simplify right side
    7,144.09x = 39,438,581.92
  5. Step 5: Solve for x
    x = 39,438,581.92/7,144.09
  6. Step 6: Final answer
    x = 5,520.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.