Home / 4,218.14-6,355.79-3,503.72

Finding the Fourth Proportional to 4,218.14, 6,355.79 and 3,503.72

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Solution

The fourth proportional to 4,218.14, 6,355.79 and 3,503.72 is: 5,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.14 : 6,355.79 = 3,503.72 : x
  2. Step 2: Convert to fraction form
    4,218.14/6,355.79 = 3,503.72/x
  3. Step 3: Cross multiply
    4,218.14x = 6,355.79 × 3,503.72
  4. Step 4: Simplify right side
    4,218.14x = 22,268,885.52
  5. Step 5: Solve for x
    x = 22,268,885.52/4,218.14
  6. Step 6: Final answer
    x = 5,279.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.