Home / 5,114.19-7,670.42-1,416.79

Finding the Fourth Proportional to 5,114.19, 7,670.42 and 1,416.79

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Solution

The fourth proportional to 5,114.19, 7,670.42 and 1,416.79 is: 2,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.19 : 7,670.42 = 1,416.79 : x
  2. Step 2: Convert to fraction form
    5,114.19/7,670.42 = 1,416.79/x
  3. Step 3: Cross multiply
    5,114.19x = 7,670.42 × 1,416.79
  4. Step 4: Simplify right side
    5,114.19x = 10,867,387.48
  5. Step 5: Solve for x
    x = 10,867,387.48/5,114.19
  6. Step 6: Final answer
    x = 2,124.95

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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.