Home / 8,729.40-12,046.61-4,750.48

Finding the Fourth Proportional to 8,729.40, 12,046.61 and 4,750.48

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Solution

The fourth proportional to 8,729.40, 12,046.61 and 4,750.48 is: 6,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.40 : 12,046.61 = 4,750.48 : x
  2. Step 2: Convert to fraction form
    8,729.40/12,046.61 = 4,750.48/x
  3. Step 3: Cross multiply
    8,729.40x = 12,046.61 × 4,750.48
  4. Step 4: Simplify right side
    8,729.40x = 57,227,179.87
  5. Step 5: Solve for x
    x = 57,227,179.87/8,729.40
  6. Step 6: Final answer
    x = 6,555.68

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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.