Home / 5,486.40-8,210.70-3,296.70

Finding the Fourth Proportional to 5,486.40, 8,210.70 and 3,296.70

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Solution

The fourth proportional to 5,486.40, 8,210.70 and 3,296.70 is: 4,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.40 : 8,210.70 = 3,296.70 : x
  2. Step 2: Convert to fraction form
    5,486.40/8,210.70 = 3,296.70/x
  3. Step 3: Cross multiply
    5,486.40x = 8,210.70 × 3,296.70
  4. Step 4: Simplify right side
    5,486.40x = 27,068,214.69
  5. Step 5: Solve for x
    x = 27,068,214.69/5,486.40
  6. Step 6: Final answer
    x = 4,933.69

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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.