Home / 4,420.68-6,622.17-2,664.69

Finding the Fourth Proportional to 4,420.68, 6,622.17 and 2,664.69

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Solution

The fourth proportional to 4,420.68, 6,622.17 and 2,664.69 is: 3,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.68 : 6,622.17 = 2,664.69 : x
  2. Step 2: Convert to fraction form
    4,420.68/6,622.17 = 2,664.69/x
  3. Step 3: Cross multiply
    4,420.68x = 6,622.17 × 2,664.69
  4. Step 4: Simplify right side
    4,420.68x = 17,646,030.18
  5. Step 5: Solve for x
    x = 17,646,030.18/4,420.68
  6. Step 6: Final answer
    x = 3,991.70

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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.