Home / 7,103.64-10,657.62-2,485.56

Finding the Fourth Proportional to 7,103.64, 10,657.62 and 2,485.56

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Solution

The fourth proportional to 7,103.64, 10,657.62 and 2,485.56 is: 3,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.64 : 10,657.62 = 2,485.56 : x
  2. Step 2: Convert to fraction form
    7,103.64/10,657.62 = 2,485.56/x
  3. Step 3: Cross multiply
    7,103.64x = 10,657.62 × 2,485.56
  4. Step 4: Simplify right side
    7,103.64x = 26,490,153.97
  5. Step 5: Solve for x
    x = 26,490,153.97/7,103.64
  6. Step 6: Final answer
    x = 3,729.10

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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.