Home / 5,175.30-7,764.16-1,477.58

Finding the Fourth Proportional to 5,175.30, 7,764.16 and 1,477.58

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Solution

The fourth proportional to 5,175.30, 7,764.16 and 1,477.58 is: 2,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.30 : 7,764.16 = 1,477.58 : x
  2. Step 2: Convert to fraction form
    5,175.30/7,764.16 = 1,477.58/x
  3. Step 3: Cross multiply
    5,175.30x = 7,764.16 × 1,477.58
  4. Step 4: Simplify right side
    5,175.30x = 11,472,160.14
  5. Step 5: Solve for x
    x = 11,472,160.14/5,175.30
  6. Step 6: Final answer
    x = 2,216.71

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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.