Home / 5,164.08-7,126.48-2,806.24

Finding the Fourth Proportional to 5,164.08, 7,126.48 and 2,806.24

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Solution

The fourth proportional to 5,164.08, 7,126.48 and 2,806.24 is: 3,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.08 : 7,126.48 = 2,806.24 : x
  2. Step 2: Convert to fraction form
    5,164.08/7,126.48 = 2,806.24/x
  3. Step 3: Cross multiply
    5,164.08x = 7,126.48 × 2,806.24
  4. Step 4: Simplify right side
    5,164.08x = 19,998,613.24
  5. Step 5: Solve for x
    x = 19,998,613.24/5,164.08
  6. Step 6: Final answer
    x = 3,872.64

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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.