Home / 8,729.64-13,086.06-5,600.84

Finding the Fourth Proportional to 8,729.64, 13,086.06 and 5,600.84

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Solution

The fourth proportional to 8,729.64, 13,086.06 and 5,600.84 is: 8,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.64 : 13,086.06 = 5,600.84 : x
  2. Step 2: Convert to fraction form
    8,729.64/13,086.06 = 5,600.84/x
  3. Step 3: Cross multiply
    8,729.64x = 13,086.06 × 5,600.84
  4. Step 4: Simplify right side
    8,729.64x = 73,292,928.29
  5. Step 5: Solve for x
    x = 73,292,928.29/8,729.64
  6. Step 6: Final answer
    x = 8,395.87

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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.