Home / 5,242.98-7,235.66-2,885.27

Finding the Fourth Proportional to 5,242.98, 7,235.66 and 2,885.27

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Solution

The fourth proportional to 5,242.98, 7,235.66 and 2,885.27 is: 3,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.98 : 7,235.66 = 2,885.27 : x
  2. Step 2: Convert to fraction form
    5,242.98/7,235.66 = 2,885.27/x
  3. Step 3: Cross multiply
    5,242.98x = 7,235.66 × 2,885.27
  4. Step 4: Simplify right side
    5,242.98x = 20,876,858.03
  5. Step 5: Solve for x
    x = 20,876,858.03/5,242.98
  6. Step 6: Final answer
    x = 3,981.87

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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.