Home / 5,419.16-7,479.23-3,182.26

Finding the Fourth Proportional to 5,419.16, 7,479.23 and 3,182.26

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Solution

The fourth proportional to 5,419.16, 7,479.23 and 3,182.26 is: 4,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.16 : 7,479.23 = 3,182.26 : x
  2. Step 2: Convert to fraction form
    5,419.16/7,479.23 = 3,182.26/x
  3. Step 3: Cross multiply
    5,419.16x = 7,479.23 × 3,182.26
  4. Step 4: Simplify right side
    5,419.16x = 23,800,837.75
  5. Step 5: Solve for x
    x = 23,800,837.75/5,419.16
  6. Step 6: Final answer
    x = 4,391.98

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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.