Home / 5,810.45-8,018.41-3,157.86

Finding the Fourth Proportional to 5,810.45, 8,018.41 and 3,157.86

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Solution

The fourth proportional to 5,810.45, 8,018.41 and 3,157.86 is: 4,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.45 : 8,018.41 = 3,157.86 : x
  2. Step 2: Convert to fraction form
    5,810.45/8,018.41 = 3,157.86/x
  3. Step 3: Cross multiply
    5,810.45x = 8,018.41 × 3,157.86
  4. Step 4: Simplify right side
    5,810.45x = 25,321,016.20
  5. Step 5: Solve for x
    x = 25,321,016.20/5,810.45
  6. Step 6: Final answer
    x = 4,357.84

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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.