Home / 5,110.14-7,666.02-2,188.20

Finding the Fourth Proportional to 5,110.14, 7,666.02 and 2,188.20

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Solution

The fourth proportional to 5,110.14, 7,666.02 and 2,188.20 is: 3,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.14 : 7,666.02 = 2,188.20 : x
  2. Step 2: Convert to fraction form
    5,110.14/7,666.02 = 2,188.20/x
  3. Step 3: Cross multiply
    5,110.14x = 7,666.02 × 2,188.20
  4. Step 4: Simplify right side
    5,110.14x = 16,774,784.96
  5. Step 5: Solve for x
    x = 16,774,784.96/5,110.14
  6. Step 6: Final answer
    x = 3,282.65

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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.