Home / 4,758.78-7,130.08-3,365.30

Finding the Fourth Proportional to 4,758.78, 7,130.08 and 3,365.30

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Solution

The fourth proportional to 4,758.78, 7,130.08 and 3,365.30 is: 5,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.78 : 7,130.08 = 3,365.30 : x
  2. Step 2: Convert to fraction form
    4,758.78/7,130.08 = 3,365.30/x
  3. Step 3: Cross multiply
    4,758.78x = 7,130.08 × 3,365.30
  4. Step 4: Simplify right side
    4,758.78x = 23,994,821.22
  5. Step 5: Solve for x
    x = 23,994,821.22/4,758.78
  6. Step 6: Final answer
    x = 5,042.23

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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.