Home / 5,479.20-8,216.04-1,582.56

Finding the Fourth Proportional to 5,479.20, 8,216.04 and 1,582.56

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Solution

The fourth proportional to 5,479.20, 8,216.04 and 1,582.56 is: 2,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.20 : 8,216.04 = 1,582.56 : x
  2. Step 2: Convert to fraction form
    5,479.20/8,216.04 = 1,582.56/x
  3. Step 3: Cross multiply
    5,479.20x = 8,216.04 × 1,582.56
  4. Step 4: Simplify right side
    5,479.20x = 13,002,376.26
  5. Step 5: Solve for x
    x = 13,002,376.26/5,479.20
  6. Step 6: Final answer
    x = 2,373.04

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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.