Home / 5,175.39-7,763.34-1,477.89

Finding the Fourth Proportional to 5,175.39, 7,763.34 and 1,477.89

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Solution

The fourth proportional to 5,175.39, 7,763.34 and 1,477.89 is: 2,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.39 : 7,763.34 = 1,477.89 : x
  2. Step 2: Convert to fraction form
    5,175.39/7,763.34 = 1,477.89/x
  3. Step 3: Cross multiply
    5,175.39x = 7,763.34 × 1,477.89
  4. Step 4: Simplify right side
    5,175.39x = 11,473,362.55
  5. Step 5: Solve for x
    x = 11,473,362.55/5,175.39
  6. Step 6: Final answer
    x = 2,216.91

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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.