Home / 8,694.81-13,028.31-4,528.71

Finding the Fourth Proportional to 8,694.81, 13,028.31 and 4,528.71

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Solution

The fourth proportional to 8,694.81, 13,028.31 and 4,528.71 is: 6,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.81 : 13,028.31 = 4,528.71 : x
  2. Step 2: Convert to fraction form
    8,694.81/13,028.31 = 4,528.71/x
  3. Step 3: Cross multiply
    8,694.81x = 13,028.31 × 4,528.71
  4. Step 4: Simplify right side
    8,694.81x = 59,001,437.78
  5. Step 5: Solve for x
    x = 59,001,437.78/8,694.81
  6. Step 6: Final answer
    x = 6,785.82

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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.