Home / 4,270.05-6,404.49-1,150.20

Finding the Fourth Proportional to 4,270.05, 6,404.49 and 1,150.20

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Solution

The fourth proportional to 4,270.05, 6,404.49 and 1,150.20 is: 1,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.05 : 6,404.49 = 1,150.20 : x
  2. Step 2: Convert to fraction form
    4,270.05/6,404.49 = 1,150.20/x
  3. Step 3: Cross multiply
    4,270.05x = 6,404.49 × 1,150.20
  4. Step 4: Simplify right side
    4,270.05x = 7,366,444.40
  5. Step 5: Solve for x
    x = 7,366,444.40/4,270.05
  6. Step 6: Final answer
    x = 1,725.14

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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.