Home / 5,102.90-7,654.44-1,814.30

Finding the Fourth Proportional to 5,102.90, 7,654.44 and 1,814.30

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Solution

The fourth proportional to 5,102.90, 7,654.44 and 1,814.30 is: 2,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.90 : 7,654.44 = 1,814.30 : x
  2. Step 2: Convert to fraction form
    5,102.90/7,654.44 = 1,814.30/x
  3. Step 3: Cross multiply
    5,102.90x = 7,654.44 × 1,814.30
  4. Step 4: Simplify right side
    5,102.90x = 13,887,450.49
  5. Step 5: Solve for x
    x = 13,887,450.49/5,102.90
  6. Step 6: Final answer
    x = 2,721.48

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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.