Home / 4,629.87-6,389.33-2,740.77

Finding the Fourth Proportional to 4,629.87, 6,389.33 and 2,740.77

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Solution

The fourth proportional to 4,629.87, 6,389.33 and 2,740.77 is: 3,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.87 : 6,389.33 = 2,740.77 : x
  2. Step 2: Convert to fraction form
    4,629.87/6,389.33 = 2,740.77/x
  3. Step 3: Cross multiply
    4,629.87x = 6,389.33 × 2,740.77
  4. Step 4: Simplify right side
    4,629.87x = 17,511,670.28
  5. Step 5: Solve for x
    x = 17,511,670.28/4,629.87
  6. Step 6: Final answer
    x = 3,782.32

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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.