Home / 6,636.52-9,158.16-4,279.96

Finding the Fourth Proportional to 6,636.52, 9,158.16 and 4,279.96

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Solution

The fourth proportional to 6,636.52, 9,158.16 and 4,279.96 is: 5,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.52 : 9,158.16 = 4,279.96 : x
  2. Step 2: Convert to fraction form
    6,636.52/9,158.16 = 4,279.96/x
  3. Step 3: Cross multiply
    6,636.52x = 9,158.16 × 4,279.96
  4. Step 4: Simplify right side
    6,636.52x = 39,196,558.47
  5. Step 5: Solve for x
    x = 39,196,558.47/6,636.52
  6. Step 6: Final answer
    x = 5,906.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.