Home / 8,729.71-12,046.64-4,750.83

Finding the Fourth Proportional to 8,729.71, 12,046.64 and 4,750.83

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Solution

The fourth proportional to 8,729.71, 12,046.64 and 4,750.83 is: 6,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.71 : 12,046.64 = 4,750.83 : x
  2. Step 2: Convert to fraction form
    8,729.71/12,046.64 = 4,750.83/x
  3. Step 3: Cross multiply
    8,729.71x = 12,046.64 × 4,750.83
  4. Step 4: Simplify right side
    8,729.71x = 57,231,538.71
  5. Step 5: Solve for x
    x = 57,231,538.71/8,729.71
  6. Step 6: Final answer
    x = 6,555.95

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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.