Home / 4,079.79-5,629.82-2,507.90

Finding the Fourth Proportional to 4,079.79, 5,629.82 and 2,507.90

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Solution

The fourth proportional to 4,079.79, 5,629.82 and 2,507.90 is: 3,460.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.79 : 5,629.82 = 2,507.90 : x
  2. Step 2: Convert to fraction form
    4,079.79/5,629.82 = 2,507.90/x
  3. Step 3: Cross multiply
    4,079.79x = 5,629.82 × 2,507.90
  4. Step 4: Simplify right side
    4,079.79x = 14,118,984.89
  5. Step 5: Solve for x
    x = 14,118,984.89/4,079.79
  6. Step 6: Final answer
    x = 3,460.71

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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.