Home / 5,137.05-7,700.90-1,849.40

Finding the Fourth Proportional to 5,137.05, 7,700.90 and 1,849.40

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Solution

The fourth proportional to 5,137.05, 7,700.90 and 1,849.40 is: 2,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.05 : 7,700.90 = 1,849.40 : x
  2. Step 2: Convert to fraction form
    5,137.05/7,700.90 = 1,849.40/x
  3. Step 3: Cross multiply
    5,137.05x = 7,700.90 × 1,849.40
  4. Step 4: Simplify right side
    5,137.05x = 14,241,996.71
  5. Step 5: Solve for x
    x = 14,241,996.71/5,137.05
  6. Step 6: Final answer
    x = 2,772.41

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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.