Home / 4,629.85-6,382.61-2,860.45

Finding the Fourth Proportional to 4,629.85, 6,382.61 and 2,860.45

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Solution

The fourth proportional to 4,629.85, 6,382.61 and 2,860.45 is: 3,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.85 : 6,382.61 = 2,860.45 : x
  2. Step 2: Convert to fraction form
    4,629.85/6,382.61 = 2,860.45/x
  3. Step 3: Cross multiply
    4,629.85x = 6,382.61 × 2,860.45
  4. Step 4: Simplify right side
    4,629.85x = 18,257,122.47
  5. Step 5: Solve for x
    x = 18,257,122.47/4,629.85
  6. Step 6: Final answer
    x = 3,943.35

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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.