Home / 5,116.14-7,672.65-1,827.40

Finding the Fourth Proportional to 5,116.14, 7,672.65 and 1,827.40

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Solution

The fourth proportional to 5,116.14, 7,672.65 and 1,827.40 is: 2,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.14 : 7,672.65 = 1,827.40 : x
  2. Step 2: Convert to fraction form
    5,116.14/7,672.65 = 1,827.40/x
  3. Step 3: Cross multiply
    5,116.14x = 7,672.65 × 1,827.40
  4. Step 4: Simplify right side
    5,116.14x = 14,021,000.61
  5. Step 5: Solve for x
    x = 14,021,000.61/5,116.14
  6. Step 6: Final answer
    x = 2,740.54

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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.