Home / 7,729.07-10,660.49-4,896.91

Finding the Fourth Proportional to 7,729.07, 10,660.49 and 4,896.91

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Solution

The fourth proportional to 7,729.07, 10,660.49 and 4,896.91 is: 6,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.07 : 10,660.49 = 4,896.91 : x
  2. Step 2: Convert to fraction form
    7,729.07/10,660.49 = 4,896.91/x
  3. Step 3: Cross multiply
    7,729.07x = 10,660.49 × 4,896.91
  4. Step 4: Simplify right side
    7,729.07x = 52,203,393.55
  5. Step 5: Solve for x
    x = 52,203,393.55/7,729.07
  6. Step 6: Final answer
    x = 6,754.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.