Home / 7,171.95-10,753.79-2,784.29

Finding the Fourth Proportional to 7,171.95, 10,753.79 and 2,784.29

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Solution

The fourth proportional to 7,171.95, 10,753.79 and 2,784.29 is: 4,174.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.95 : 10,753.79 = 2,784.29 : x
  2. Step 2: Convert to fraction form
    7,171.95/10,753.79 = 2,784.29/x
  3. Step 3: Cross multiply
    7,171.95x = 10,753.79 × 2,784.29
  4. Step 4: Simplify right side
    7,171.95x = 29,941,602.27
  5. Step 5: Solve for x
    x = 29,941,602.27/7,171.95
  6. Step 6: Final answer
    x = 4,174.82

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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.