Home / 5,423.91-7,486.37-3,540.19

Finding the Fourth Proportional to 5,423.91, 7,486.37 and 3,540.19

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Solution

The fourth proportional to 5,423.91, 7,486.37 and 3,540.19 is: 4,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.91 : 7,486.37 = 3,540.19 : x
  2. Step 2: Convert to fraction form
    5,423.91/7,486.37 = 3,540.19/x
  3. Step 3: Cross multiply
    5,423.91x = 7,486.37 × 3,540.19
  4. Step 4: Simplify right side
    5,423.91x = 26,503,172.21
  5. Step 5: Solve for x
    x = 26,503,172.21/5,423.91
  6. Step 6: Final answer
    x = 4,886.36

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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.