Home / 4,154.10-6,228.56-1,380.05

Finding the Fourth Proportional to 4,154.10, 6,228.56 and 1,380.05

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Solution

The fourth proportional to 4,154.10, 6,228.56 and 1,380.05 is: 2,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.10 : 6,228.56 = 1,380.05 : x
  2. Step 2: Convert to fraction form
    4,154.10/6,228.56 = 1,380.05/x
  3. Step 3: Cross multiply
    4,154.10x = 6,228.56 × 1,380.05
  4. Step 4: Simplify right side
    4,154.10x = 8,595,754.93
  5. Step 5: Solve for x
    x = 8,595,754.93/4,154.10
  6. Step 6: Final answer
    x = 2,069.22

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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.