Home / 7,660.36-11,490.08-2,729.74

Finding the Fourth Proportional to 7,660.36, 11,490.08 and 2,729.74

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Solution

The fourth proportional to 7,660.36, 11,490.08 and 2,729.74 is: 4,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.36 : 11,490.08 = 2,729.74 : x
  2. Step 2: Convert to fraction form
    7,660.36/11,490.08 = 2,729.74/x
  3. Step 3: Cross multiply
    7,660.36x = 11,490.08 × 2,729.74
  4. Step 4: Simplify right side
    7,660.36x = 31,364,930.98
  5. Step 5: Solve for x
    x = 31,364,930.98/7,660.36
  6. Step 6: Final answer
    x = 4,094.45

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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.