Home / 5,455.70-8,183.58-1,560.14

Finding the Fourth Proportional to 5,455.70, 8,183.58 and 1,560.14

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Solution

The fourth proportional to 5,455.70, 8,183.58 and 1,560.14 is: 2,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.70 : 8,183.58 = 1,560.14 : x
  2. Step 2: Convert to fraction form
    5,455.70/8,183.58 = 1,560.14/x
  3. Step 3: Cross multiply
    5,455.70x = 8,183.58 × 1,560.14
  4. Step 4: Simplify right side
    5,455.70x = 12,767,530.50
  5. Step 5: Solve for x
    x = 12,767,530.50/5,455.70
  6. Step 6: Final answer
    x = 2,340.22

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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.