Home / 4,622.78-6,929.04-2,158.22

Finding the Fourth Proportional to 4,622.78, 6,929.04 and 2,158.22

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Solution

The fourth proportional to 4,622.78, 6,929.04 and 2,158.22 is: 3,234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.78 : 6,929.04 = 2,158.22 : x
  2. Step 2: Convert to fraction form
    4,622.78/6,929.04 = 2,158.22/x
  3. Step 3: Cross multiply
    4,622.78x = 6,929.04 × 2,158.22
  4. Step 4: Simplify right side
    4,622.78x = 14,954,392.71
  5. Step 5: Solve for x
    x = 14,954,392.71/4,622.78
  6. Step 6: Final answer
    x = 3,234.93

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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.