Home / 4,679.07-6,457.55-2,690.79

Finding the Fourth Proportional to 4,679.07, 6,457.55 and 2,690.79

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Solution

The fourth proportional to 4,679.07, 6,457.55 and 2,690.79 is: 3,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.07 : 6,457.55 = 2,690.79 : x
  2. Step 2: Convert to fraction form
    4,679.07/6,457.55 = 2,690.79/x
  3. Step 3: Cross multiply
    4,679.07x = 6,457.55 × 2,690.79
  4. Step 4: Simplify right side
    4,679.07x = 17,375,910.96
  5. Step 5: Solve for x
    x = 17,375,910.96/4,679.07
  6. Step 6: Final answer
    x = 3,713.54

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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.