Home / 4,801.28-7,201.42-1,514.28

Finding the Fourth Proportional to 4,801.28, 7,201.42 and 1,514.28

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Solution

The fourth proportional to 4,801.28, 7,201.42 and 1,514.28 is: 2,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.28 : 7,201.42 = 1,514.28 : x
  2. Step 2: Convert to fraction form
    4,801.28/7,201.42 = 1,514.28/x
  3. Step 3: Cross multiply
    4,801.28x = 7,201.42 × 1,514.28
  4. Step 4: Simplify right side
    4,801.28x = 10,904,966.28
  5. Step 5: Solve for x
    x = 10,904,966.28/4,801.28
  6. Step 6: Final answer
    x = 2,271.26

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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.