Home / 4,426.08-6,640.44-2,479.68

Finding the Fourth Proportional to 4,426.08, 6,640.44 and 2,479.68

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Solution

The fourth proportional to 4,426.08, 6,640.44 and 2,479.68 is: 3,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.08 : 6,640.44 = 2,479.68 : x
  2. Step 2: Convert to fraction form
    4,426.08/6,640.44 = 2,479.68/x
  3. Step 3: Cross multiply
    4,426.08x = 6,640.44 × 2,479.68
  4. Step 4: Simplify right side
    4,426.08x = 16,466,166.26
  5. Step 5: Solve for x
    x = 16,466,166.26/4,426.08
  6. Step 6: Final answer
    x = 3,720.26

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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.