Home / 5,745.07-8,610.42-2,454.31

Finding the Fourth Proportional to 5,745.07, 8,610.42 and 2,454.31

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Solution

The fourth proportional to 5,745.07, 8,610.42 and 2,454.31 is: 3,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.07 : 8,610.42 = 2,454.31 : x
  2. Step 2: Convert to fraction form
    5,745.07/8,610.42 = 2,454.31/x
  3. Step 3: Cross multiply
    5,745.07x = 8,610.42 × 2,454.31
  4. Step 4: Simplify right side
    5,745.07x = 21,132,639.91
  5. Step 5: Solve for x
    x = 21,132,639.91/5,745.07
  6. Step 6: Final answer
    x = 3,678.40

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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.