Home / 5,427.88-8,141.82-1,730.12

Finding the Fourth Proportional to 5,427.88, 8,141.82 and 1,730.12

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Solution

The fourth proportional to 5,427.88, 8,141.82 and 1,730.12 is: 2,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.88 : 8,141.82 = 1,730.12 : x
  2. Step 2: Convert to fraction form
    5,427.88/8,141.82 = 1,730.12/x
  3. Step 3: Cross multiply
    5,427.88x = 8,141.82 × 1,730.12
  4. Step 4: Simplify right side
    5,427.88x = 14,086,278.42
  5. Step 5: Solve for x
    x = 14,086,278.42/5,427.88
  6. Step 6: Final answer
    x = 2,595.17

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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.