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Finding the Fourth Proportional to 6,640.58, 9,962.24 and 2,479.59

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Solution

The fourth proportional to 6,640.58, 9,962.24 and 2,479.59 is: 3,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.58 : 9,962.24 = 2,479.59 : x
  2. Step 2: Convert to fraction form
    6,640.58/9,962.24 = 2,479.59/x
  3. Step 3: Cross multiply
    6,640.58x = 9,962.24 × 2,479.59
  4. Step 4: Simplify right side
    6,640.58x = 24,702,244.21
  5. Step 5: Solve for x
    x = 24,702,244.21/6,640.58
  6. Step 6: Final answer
    x = 3,719.89

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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.