Home / 4,392.81-6,058.67-2,821.05

Finding the Fourth Proportional to 4,392.81, 6,058.67 and 2,821.05

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Solution

The fourth proportional to 4,392.81, 6,058.67 and 2,821.05 is: 3,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.81 : 6,058.67 = 2,821.05 : x
  2. Step 2: Convert to fraction form
    4,392.81/6,058.67 = 2,821.05/x
  3. Step 3: Cross multiply
    4,392.81x = 6,058.67 × 2,821.05
  4. Step 4: Simplify right side
    4,392.81x = 17,091,796.90
  5. Step 5: Solve for x
    x = 17,091,796.90/4,392.81
  6. Step 6: Final answer
    x = 3,890.86

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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.