Home / 5,479-8,210.58-2,358.16

Finding the Fourth Proportional to 5,479, 8,210.58 and 2,358.16

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Solution

The fourth proportional to 5,479, 8,210.58 and 2,358.16 is: 3,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479 : 8,210.58 = 2,358.16 : x
  2. Step 2: Convert to fraction form
    5,479/8,210.58 = 2,358.16/x
  3. Step 3: Cross multiply
    5,479x = 8,210.58 × 2,358.16
  4. Step 4: Simplify right side
    5,479x = 19,361,861.33
  5. Step 5: Solve for x
    x = 19,361,861.33/5,479
  6. Step 6: Final answer
    x = 3,533.83

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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.