Home / 7,153.73-10,729.67-2,768.18

Finding the Fourth Proportional to 7,153.73, 10,729.67 and 2,768.18

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Solution

The fourth proportional to 7,153.73, 10,729.67 and 2,768.18 is: 4,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.73 : 10,729.67 = 2,768.18 : x
  2. Step 2: Convert to fraction form
    7,153.73/10,729.67 = 2,768.18/x
  3. Step 3: Cross multiply
    7,153.73x = 10,729.67 × 2,768.18
  4. Step 4: Simplify right side
    7,153.73x = 29,701,657.90
  5. Step 5: Solve for x
    x = 29,701,657.90/7,153.73
  6. Step 6: Final answer
    x = 4,151.91

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1.5x scale

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.