Home / 5,286.96-7,296.15-3,296.40

Finding the Fourth Proportional to 5,286.96, 7,296.15 and 3,296.40

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Solution

The fourth proportional to 5,286.96, 7,296.15 and 3,296.40 is: 4,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.96 : 7,296.15 = 3,296.40 : x
  2. Step 2: Convert to fraction form
    5,286.96/7,296.15 = 3,296.40/x
  3. Step 3: Cross multiply
    5,286.96x = 7,296.15 × 3,296.40
  4. Step 4: Simplify right side
    5,286.96x = 24,051,028.86
  5. Step 5: Solve for x
    x = 24,051,028.86/5,286.96
  6. Step 6: Final answer
    x = 4,549.12

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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.