Home / 8,557.09-12,836.30-2,713.75

Finding the Fourth Proportional to 8,557.09, 12,836.30 and 2,713.75

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Solution

The fourth proportional to 8,557.09, 12,836.30 and 2,713.75 is: 4,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.09 : 12,836.30 = 2,713.75 : x
  2. Step 2: Convert to fraction form
    8,557.09/12,836.30 = 2,713.75/x
  3. Step 3: Cross multiply
    8,557.09x = 12,836.30 × 2,713.75
  4. Step 4: Simplify right side
    8,557.09x = 34,834,509.13
  5. Step 5: Solve for x
    x = 34,834,509.13/8,557.09
  6. Step 6: Final answer
    x = 4,070.84

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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.