Home / 4,679.19-6,457.73-2,690.91

Finding the Fourth Proportional to 4,679.19, 6,457.73 and 2,690.91

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Solution

The fourth proportional to 4,679.19, 6,457.73 and 2,690.91 is: 3,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.19 : 6,457.73 = 2,690.91 : x
  2. Step 2: Convert to fraction form
    4,679.19/6,457.73 = 2,690.91/x
  3. Step 3: Cross multiply
    4,679.19x = 6,457.73 × 2,690.91
  4. Step 4: Simplify right side
    4,679.19x = 17,377,156.78
  5. Step 5: Solve for x
    x = 17,377,156.78/4,679.19
  6. Step 6: Final answer
    x = 3,713.71

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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.