Home / 5,427.73-8,139.93-2,095.21

Finding the Fourth Proportional to 5,427.73, 8,139.93 and 2,095.21

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Solution

The fourth proportional to 5,427.73, 8,139.93 and 2,095.21 is: 3,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.73 : 8,139.93 = 2,095.21 : x
  2. Step 2: Convert to fraction form
    5,427.73/8,139.93 = 2,095.21/x
  3. Step 3: Cross multiply
    5,427.73x = 8,139.93 × 2,095.21
  4. Step 4: Simplify right side
    5,427.73x = 17,054,862.74
  5. Step 5: Solve for x
    x = 17,054,862.74/5,427.73
  6. Step 6: Final answer
    x = 3,142.17

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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.