Home / 4,259.72-6,389.57-2,068.79

Finding the Fourth Proportional to 4,259.72, 6,389.57 and 2,068.79

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Solution

The fourth proportional to 4,259.72, 6,389.57 and 2,068.79 is: 3,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.72 : 6,389.57 = 2,068.79 : x
  2. Step 2: Convert to fraction form
    4,259.72/6,389.57 = 2,068.79/x
  3. Step 3: Cross multiply
    4,259.72x = 6,389.57 × 2,068.79
  4. Step 4: Simplify right side
    4,259.72x = 13,218,651.74
  5. Step 5: Solve for x
    x = 13,218,651.74/4,259.72
  6. Step 6: Final answer
    x = 3,103.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.