Home / 4,782.78-6,598.80-2,791.98

Finding the Fourth Proportional to 4,782.78, 6,598.80 and 2,791.98

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Solution

The fourth proportional to 4,782.78, 6,598.80 and 2,791.98 is: 3,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.78 : 6,598.80 = 2,791.98 : x
  2. Step 2: Convert to fraction form
    4,782.78/6,598.80 = 2,791.98/x
  3. Step 3: Cross multiply
    4,782.78x = 6,598.80 × 2,791.98
  4. Step 4: Simplify right side
    4,782.78x = 18,423,717.62
  5. Step 5: Solve for x
    x = 18,423,717.62/4,782.78
  6. Step 6: Final answer
    x = 3,852.09

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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.