Home / 5,810.82-8,018.88-3,158.22

Finding the Fourth Proportional to 5,810.82, 8,018.88 and 3,158.22

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Solution

The fourth proportional to 5,810.82, 8,018.88 and 3,158.22 is: 4,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.82 : 8,018.88 = 3,158.22 : x
  2. Step 2: Convert to fraction form
    5,810.82/8,018.88 = 3,158.22/x
  3. Step 3: Cross multiply
    5,810.82x = 8,018.88 × 3,158.22
  4. Step 4: Simplify right side
    5,810.82x = 25,325,387.19
  5. Step 5: Solve for x
    x = 25,325,387.19/5,810.82
  6. Step 6: Final answer
    x = 4,358.32

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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.