Home / 7,153.61-10,728.32-2,770.02

Finding the Fourth Proportional to 7,153.61, 10,728.32 and 2,770.02

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Solution

The fourth proportional to 7,153.61, 10,728.32 and 2,770.02 is: 4,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.61 : 10,728.32 = 2,770.02 : x
  2. Step 2: Convert to fraction form
    7,153.61/10,728.32 = 2,770.02/x
  3. Step 3: Cross multiply
    7,153.61x = 10,728.32 × 2,770.02
  4. Step 4: Simplify right side
    7,153.61x = 29,717,647.12
  5. Step 5: Solve for x
    x = 29,717,647.12/7,153.61
  6. Step 6: Final answer
    x = 4,154.22

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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.