Home / 8,729.45-12,046.70-4,750.59

Finding the Fourth Proportional to 8,729.45, 12,046.70 and 4,750.59

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Solution

The fourth proportional to 8,729.45, 12,046.70 and 4,750.59 is: 6,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.45 : 12,046.70 = 4,750.59 : x
  2. Step 2: Convert to fraction form
    8,729.45/12,046.70 = 4,750.59/x
  3. Step 3: Cross multiply
    8,729.45x = 12,046.70 × 4,750.59
  4. Step 4: Simplify right side
    8,729.45x = 57,228,932.55
  5. Step 5: Solve for x
    x = 57,228,932.55/8,729.45
  6. Step 6: Final answer
    x = 6,555.85

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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.