Home / 5,174.75-7,757.47-1,885.51

Finding the Fourth Proportional to 5,174.75, 7,757.47 and 1,885.51

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Solution

The fourth proportional to 5,174.75, 7,757.47 and 1,885.51 is: 2,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.75 : 7,757.47 = 1,885.51 : x
  2. Step 2: Convert to fraction form
    5,174.75/7,757.47 = 1,885.51/x
  3. Step 3: Cross multiply
    5,174.75x = 7,757.47 × 1,885.51
  4. Step 4: Simplify right side
    5,174.75x = 14,626,799.31
  5. Step 5: Solve for x
    x = 14,626,799.31/5,174.75
  6. Step 6: Final answer
    x = 2,826.57

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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.