Home / 5,439.06-8,157.61-2,476.80

Finding the Fourth Proportional to 5,439.06, 8,157.61 and 2,476.80

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Solution

The fourth proportional to 5,439.06, 8,157.61 and 2,476.80 is: 3,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.06 : 8,157.61 = 2,476.80 : x
  2. Step 2: Convert to fraction form
    5,439.06/8,157.61 = 2,476.80/x
  3. Step 3: Cross multiply
    5,439.06x = 8,157.61 × 2,476.80
  4. Step 4: Simplify right side
    5,439.06x = 20,204,768.45
  5. Step 5: Solve for x
    x = 20,204,768.45/5,439.06
  6. Step 6: Final answer
    x = 3,714.75

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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.