Home / 7,166.90-10,754.27-2,784.53

Finding the Fourth Proportional to 7,166.90, 10,754.27 and 2,784.53

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Solution

The fourth proportional to 7,166.90, 10,754.27 and 2,784.53 is: 4,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166.90 : 10,754.27 = 2,784.53 : x
  2. Step 2: Convert to fraction form
    7,166.90/10,754.27 = 2,784.53/x
  3. Step 3: Cross multiply
    7,166.90x = 10,754.27 × 2,784.53
  4. Step 4: Simplify right side
    7,166.90x = 29,945,587.44
  5. Step 5: Solve for x
    x = 29,945,587.44/7,166.90
  6. Step 6: Final answer
    x = 4,178.32

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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.