Home / 5,853.05-8,077.20-3,200.45

Finding the Fourth Proportional to 5,853.05, 8,077.20 and 3,200.45

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Solution

The fourth proportional to 5,853.05, 8,077.20 and 3,200.45 is: 4,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.05 : 8,077.20 = 3,200.45 : x
  2. Step 2: Convert to fraction form
    5,853.05/8,077.20 = 3,200.45/x
  3. Step 3: Cross multiply
    5,853.05x = 8,077.20 × 3,200.45
  4. Step 4: Simplify right side
    5,853.05x = 25,850,676.65
  5. Step 5: Solve for x
    x = 25,850,676.65/5,853.05
  6. Step 6: Final answer
    x = 4,416.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.