Home / 5,175.89-7,761.49-1,477.24

Finding the Fourth Proportional to 5,175.89, 7,761.49 and 1,477.24

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Solution

The fourth proportional to 5,175.89, 7,761.49 and 1,477.24 is: 2,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.89 : 7,761.49 = 1,477.24 : x
  2. Step 2: Convert to fraction form
    5,175.89/7,761.49 = 1,477.24/x
  3. Step 3: Cross multiply
    5,175.89x = 7,761.49 × 1,477.24
  4. Step 4: Simplify right side
    5,175.89x = 11,465,560.39
  5. Step 5: Solve for x
    x = 11,465,560.39/5,175.89
  6. Step 6: Final answer
    x = 2,215.19

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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.