Home / 4,642.72-6,406.92-2,874.36

Finding the Fourth Proportional to 4,642.72, 6,406.92 and 2,874.36

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Solution

The fourth proportional to 4,642.72, 6,406.92 and 2,874.36 is: 3,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.72 : 6,406.92 = 2,874.36 : x
  2. Step 2: Convert to fraction form
    4,642.72/6,406.92 = 2,874.36/x
  3. Step 3: Cross multiply
    4,642.72x = 6,406.92 × 2,874.36
  4. Step 4: Simplify right side
    4,642.72x = 18,415,794.57
  5. Step 5: Solve for x
    x = 18,415,794.57/4,642.72
  6. Step 6: Final answer
    x = 3,966.60

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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.