Home / 4,650.24-6,418.44-2,880.78

Finding the Fourth Proportional to 4,650.24, 6,418.44 and 2,880.78

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Solution

The fourth proportional to 4,650.24, 6,418.44 and 2,880.78 is: 3,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.24 : 6,418.44 = 2,880.78 : x
  2. Step 2: Convert to fraction form
    4,650.24/6,418.44 = 2,880.78/x
  3. Step 3: Cross multiply
    4,650.24x = 6,418.44 × 2,880.78
  4. Step 4: Simplify right side
    4,650.24x = 18,490,113.58
  5. Step 5: Solve for x
    x = 18,490,113.58/4,650.24
  6. Step 6: Final answer
    x = 3,976.16

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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.