Home / 5,388.15-8,070.87-2,468.91

Finding the Fourth Proportional to 5,388.15, 8,070.87 and 2,468.91

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Solution

The fourth proportional to 5,388.15, 8,070.87 and 2,468.91 is: 3,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.15 : 8,070.87 = 2,468.91 : x
  2. Step 2: Convert to fraction form
    5,388.15/8,070.87 = 2,468.91/x
  3. Step 3: Cross multiply
    5,388.15x = 8,070.87 × 2,468.91
  4. Step 4: Simplify right side
    5,388.15x = 19,926,251.65
  5. Step 5: Solve for x
    x = 19,926,251.65/5,388.15
  6. Step 6: Final answer
    x = 3,698.16

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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.