Home / 10,551.20-15,827.70-2,760

Finding the Fourth Proportional to 10,551.20, 15,827.70 and 2,760

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Solution

The fourth proportional to 10,551.20, 15,827.70 and 2,760 is: 4,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.20 : 15,827.70 = 2,760 : x
  2. Step 2: Convert to fraction form
    10,551.20/15,827.70 = 2,760/x
  3. Step 3: Cross multiply
    10,551.20x = 15,827.70 × 2,760
  4. Step 4: Simplify right side
    10,551.20x = 43,684,452
  5. Step 5: Solve for x
    x = 43,684,452/10,551.20
  6. Step 6: Final answer
    x = 4,140.24

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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.