Home / 5,276.51-7,911.77-2,152.86

Finding the Fourth Proportional to 5,276.51, 7,911.77 and 2,152.86

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Solution

The fourth proportional to 5,276.51, 7,911.77 and 2,152.86 is: 3,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.51 : 7,911.77 = 2,152.86 : x
  2. Step 2: Convert to fraction form
    5,276.51/7,911.77 = 2,152.86/x
  3. Step 3: Cross multiply
    5,276.51x = 7,911.77 × 2,152.86
  4. Step 4: Simplify right side
    5,276.51x = 17,032,892.73
  5. Step 5: Solve for x
    x = 17,032,892.73/5,276.51
  6. Step 6: Final answer
    x = 3,228.06

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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.