Home / 4,412.72-6,090.92-2,840.82

Finding the Fourth Proportional to 4,412.72, 6,090.92 and 2,840.82

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Solution

The fourth proportional to 4,412.72, 6,090.92 and 2,840.82 is: 3,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.72 : 6,090.92 = 2,840.82 : x
  2. Step 2: Convert to fraction form
    4,412.72/6,090.92 = 2,840.82/x
  3. Step 3: Cross multiply
    4,412.72x = 6,090.92 × 2,840.82
  4. Step 4: Simplify right side
    4,412.72x = 17,303,176.90
  5. Step 5: Solve for x
    x = 17,303,176.90/4,412.72
  6. Step 6: Final answer
    x = 3,921.20

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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.