Home / 4,279.04-6,415.79-1,682.24

Finding the Fourth Proportional to 4,279.04, 6,415.79 and 1,682.24

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Solution

The fourth proportional to 4,279.04, 6,415.79 and 1,682.24 is: 2,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.04 : 6,415.79 = 1,682.24 : x
  2. Step 2: Convert to fraction form
    4,279.04/6,415.79 = 1,682.24/x
  3. Step 3: Cross multiply
    4,279.04x = 6,415.79 × 1,682.24
  4. Step 4: Simplify right side
    4,279.04x = 10,792,898.57
  5. Step 5: Solve for x
    x = 10,792,898.57/4,279.04
  6. Step 6: Final answer
    x = 2,522.27

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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.