Home / 5,142.24-7,713.84-2,369.68

Finding the Fourth Proportional to 5,142.24, 7,713.84 and 2,369.68

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Solution

The fourth proportional to 5,142.24, 7,713.84 and 2,369.68 is: 3,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.24 : 7,713.84 = 2,369.68 : x
  2. Step 2: Convert to fraction form
    5,142.24/7,713.84 = 2,369.68/x
  3. Step 3: Cross multiply
    5,142.24x = 7,713.84 × 2,369.68
  4. Step 4: Simplify right side
    5,142.24x = 18,279,332.37
  5. Step 5: Solve for x
    x = 18,279,332.37/5,142.24
  6. Step 6: Final answer
    x = 3,554.74

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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.