Home / 5,427.38-8,142.12-2,307.35

Finding the Fourth Proportional to 5,427.38, 8,142.12 and 2,307.35

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Solution

The fourth proportional to 5,427.38, 8,142.12 and 2,307.35 is: 3,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.38 : 8,142.12 = 2,307.35 : x
  2. Step 2: Convert to fraction form
    5,427.38/8,142.12 = 2,307.35/x
  3. Step 3: Cross multiply
    5,427.38x = 8,142.12 × 2,307.35
  4. Step 4: Simplify right side
    5,427.38x = 18,786,679.87
  5. Step 5: Solve for x
    x = 18,786,679.87/5,427.38
  6. Step 6: Final answer
    x = 3,461.47

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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.