Home / 5,135.00-7,702.90-1,848.42

Finding the Fourth Proportional to 5,135.00, 7,702.90 and 1,848.42

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Solution

The fourth proportional to 5,135.00, 7,702.90 and 1,848.42 is: 2,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.00 : 7,702.90 = 1,848.42 : x
  2. Step 2: Convert to fraction form
    5,135.00/7,702.90 = 1,848.42/x
  3. Step 3: Cross multiply
    5,135.00x = 7,702.90 × 1,848.42
  4. Step 4: Simplify right side
    5,135.00x = 14,238,189.80
  5. Step 5: Solve for x
    x = 14,238,189.80/5,135.00
  6. Step 6: Final answer
    x = 2,772.78

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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.