Home / 5,135.43-7,703.16-1,848.78

Finding the Fourth Proportional to 5,135.43, 7,703.16 and 1,848.78

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Solution

The fourth proportional to 5,135.43, 7,703.16 and 1,848.78 is: 2,773.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.43 : 7,703.16 = 1,848.78 : x
  2. Step 2: Convert to fraction form
    5,135.43/7,703.16 = 1,848.78/x
  3. Step 3: Cross multiply
    5,135.43x = 7,703.16 × 1,848.78
  4. Step 4: Simplify right side
    5,135.43x = 14,241,441.21
  5. Step 5: Solve for x
    x = 14,241,441.21/5,135.43
  6. Step 6: Final answer
    x = 2,773.17

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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.