Home / 4,629.78-6,389.46-2,862.36

Finding the Fourth Proportional to 4,629.78, 6,389.46 and 2,862.36

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Solution

The fourth proportional to 4,629.78, 6,389.46 and 2,862.36 is: 3,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.78 : 6,389.46 = 2,862.36 : x
  2. Step 2: Convert to fraction form
    4,629.78/6,389.46 = 2,862.36/x
  3. Step 3: Cross multiply
    4,629.78x = 6,389.46 × 2,862.36
  4. Step 4: Simplify right side
    4,629.78x = 18,288,934.73
  5. Step 5: Solve for x
    x = 18,288,934.73/4,629.78
  6. Step 6: Final answer
    x = 3,950.28

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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.