Home / 5,745.45-8,617.87-1,585.49

Finding the Fourth Proportional to 5,745.45, 8,617.87 and 1,585.49

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Solution

The fourth proportional to 5,745.45, 8,617.87 and 1,585.49 is: 2,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.45 : 8,617.87 = 1,585.49 : x
  2. Step 2: Convert to fraction form
    5,745.45/8,617.87 = 1,585.49/x
  3. Step 3: Cross multiply
    5,745.45x = 8,617.87 × 1,585.49
  4. Step 4: Simplify right side
    5,745.45x = 13,663,546.71
  5. Step 5: Solve for x
    x = 13,663,546.71/5,745.45
  6. Step 6: Final answer
    x = 2,378.15

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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.