Home / 8,729.87-13,095.81-2,886.53

Finding the Fourth Proportional to 8,729.87, 13,095.81 and 2,886.53

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Solution

The fourth proportional to 8,729.87, 13,095.81 and 2,886.53 is: 4,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.87 : 13,095.81 = 2,886.53 : x
  2. Step 2: Convert to fraction form
    8,729.87/13,095.81 = 2,886.53/x
  3. Step 3: Cross multiply
    8,729.87x = 13,095.81 × 2,886.53
  4. Step 4: Simplify right side
    8,729.87x = 37,801,382.96
  5. Step 5: Solve for x
    x = 37,801,382.96/8,729.87
  6. Step 6: Final answer
    x = 4,330.12

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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.