Home / 8,681.07-13,018.73-2,836.32

Finding the Fourth Proportional to 8,681.07, 13,018.73 and 2,836.32

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Solution

The fourth proportional to 8,681.07, 13,018.73 and 2,836.32 is: 4,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.07 : 13,018.73 = 2,836.32 : x
  2. Step 2: Convert to fraction form
    8,681.07/13,018.73 = 2,836.32/x
  3. Step 3: Cross multiply
    8,681.07x = 13,018.73 × 2,836.32
  4. Step 4: Simplify right side
    8,681.07x = 36,925,221.27
  5. Step 5: Solve for x
    x = 36,925,221.27/8,681.07
  6. Step 6: Final answer
    x = 4,253.53

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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.