Home / 5,137.30-7,701.35-1,848.09

Finding the Fourth Proportional to 5,137.30, 7,701.35 and 1,848.09

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Solution

The fourth proportional to 5,137.30, 7,701.35 and 1,848.09 is: 2,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.30 : 7,701.35 = 1,848.09 : x
  2. Step 2: Convert to fraction form
    5,137.30/7,701.35 = 1,848.09/x
  3. Step 3: Cross multiply
    5,137.30x = 7,701.35 × 1,848.09
  4. Step 4: Simplify right side
    5,137.30x = 14,232,807.56
  5. Step 5: Solve for x
    x = 14,232,807.56/5,137.30
  6. Step 6: Final answer
    x = 2,770.48

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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.