Home / 4,542.20-6,805.20-4,271.12

Finding the Fourth Proportional to 4,542.20, 6,805.20 and 4,271.12

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Solution

The fourth proportional to 4,542.20, 6,805.20 and 4,271.12 is: 6,399.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.20 : 6,805.20 = 4,271.12 : x
  2. Step 2: Convert to fraction form
    4,542.20/6,805.20 = 4,271.12/x
  3. Step 3: Cross multiply
    4,542.20x = 6,805.20 × 4,271.12
  4. Step 4: Simplify right side
    4,542.20x = 29,065,825.82
  5. Step 5: Solve for x
    x = 29,065,825.82/4,542.20
  6. Step 6: Final answer
    x = 6,399.06

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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.