Home / 6,142.16-9,205.94-3,539.72

Finding the Fourth Proportional to 6,142.16, 9,205.94 and 3,539.72

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Solution

The fourth proportional to 6,142.16, 9,205.94 and 3,539.72 is: 5,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.16 : 9,205.94 = 3,539.72 : x
  2. Step 2: Convert to fraction form
    6,142.16/9,205.94 = 3,539.72/x
  3. Step 3: Cross multiply
    6,142.16x = 9,205.94 × 3,539.72
  4. Step 4: Simplify right side
    6,142.16x = 32,586,412.76
  5. Step 5: Solve for x
    x = 32,586,412.76/6,142.16
  6. Step 6: Final answer
    x = 5,305.37

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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.