Home / 5,140.44-7,710.78-2,369.43

Finding the Fourth Proportional to 5,140.44, 7,710.78 and 2,369.43

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Solution

The fourth proportional to 5,140.44, 7,710.78 and 2,369.43 is: 3,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.44 : 7,710.78 = 2,369.43 : x
  2. Step 2: Convert to fraction form
    5,140.44/7,710.78 = 2,369.43/x
  3. Step 3: Cross multiply
    5,140.44x = 7,710.78 × 2,369.43
  4. Step 4: Simplify right side
    5,140.44x = 18,270,153.46
  5. Step 5: Solve for x
    x = 18,270,153.46/5,140.44
  6. Step 6: Final answer
    x = 3,554.20

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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.