Home / 5,440.78-8,160.09-1,544.14

Finding the Fourth Proportional to 5,440.78, 8,160.09 and 1,544.14

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Solution

The fourth proportional to 5,440.78, 8,160.09 and 1,544.14 is: 2,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.78 : 8,160.09 = 1,544.14 : x
  2. Step 2: Convert to fraction form
    5,440.78/8,160.09 = 1,544.14/x
  3. Step 3: Cross multiply
    5,440.78x = 8,160.09 × 1,544.14
  4. Step 4: Simplify right side
    5,440.78x = 12,600,321.37
  5. Step 5: Solve for x
    x = 12,600,321.37/5,440.78
  6. Step 6: Final answer
    x = 2,315.90

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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.