Home / 4,768.78-6,577.30-4,178.29

Finding the Fourth Proportional to 4,768.78, 6,577.30 and 4,178.29

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Solution

The fourth proportional to 4,768.78, 6,577.30 and 4,178.29 is: 5,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.78 : 6,577.30 = 4,178.29 : x
  2. Step 2: Convert to fraction form
    4,768.78/6,577.30 = 4,178.29/x
  3. Step 3: Cross multiply
    4,768.78x = 6,577.30 × 4,178.29
  4. Step 4: Simplify right side
    4,768.78x = 27,481,866.82
  5. Step 5: Solve for x
    x = 27,481,866.82/4,768.78
  6. Step 6: Final answer
    x = 5,762.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.