Home / 4,508.70-6,763.84-2,172.91

Finding the Fourth Proportional to 4,508.70, 6,763.84 and 2,172.91

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Solution

The fourth proportional to 4,508.70, 6,763.84 and 2,172.91 is: 3,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.70 : 6,763.84 = 2,172.91 : x
  2. Step 2: Convert to fraction form
    4,508.70/6,763.84 = 2,172.91/x
  3. Step 3: Cross multiply
    4,508.70x = 6,763.84 × 2,172.91
  4. Step 4: Simplify right side
    4,508.70x = 14,697,215.57
  5. Step 5: Solve for x
    x = 14,697,215.57/4,508.70
  6. Step 6: Final answer
    x = 3,259.75

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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.