Home / 4,649.44-6,414.06-2,880.40

Finding the Fourth Proportional to 4,649.44, 6,414.06 and 2,880.40

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Solution

The fourth proportional to 4,649.44, 6,414.06 and 2,880.40 is: 3,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.44 : 6,414.06 = 2,880.40 : x
  2. Step 2: Convert to fraction form
    4,649.44/6,414.06 = 2,880.40/x
  3. Step 3: Cross multiply
    4,649.44x = 6,414.06 × 2,880.40
  4. Step 4: Simplify right side
    4,649.44x = 18,475,058.42
  5. Step 5: Solve for x
    x = 18,475,058.42/4,649.44
  6. Step 6: Final answer
    x = 3,973.61

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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.