Home / 5,419.35-8,133.65-3,863.16

Finding the Fourth Proportional to 5,419.35, 8,133.65 and 3,863.16

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Solution

The fourth proportional to 5,419.35, 8,133.65 and 3,863.16 is: 5,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.35 : 8,133.65 = 3,863.16 : x
  2. Step 2: Convert to fraction form
    5,419.35/8,133.65 = 3,863.16/x
  3. Step 3: Cross multiply
    5,419.35x = 8,133.65 × 3,863.16
  4. Step 4: Simplify right side
    5,419.35x = 31,421,608.24
  5. Step 5: Solve for x
    x = 31,421,608.24/5,419.35
  6. Step 6: Final answer
    x = 5,798.04

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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.