Home / 8,619.37-12,926.35-5,713.09

Finding the Fourth Proportional to 8,619.37, 12,926.35 and 5,713.09

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Solution

The fourth proportional to 8,619.37, 12,926.35 and 5,713.09 is: 8,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.37 : 12,926.35 = 5,713.09 : x
  2. Step 2: Convert to fraction form
    8,619.37/12,926.35 = 5,713.09/x
  3. Step 3: Cross multiply
    8,619.37x = 12,926.35 × 5,713.09
  4. Step 4: Simplify right side
    8,619.37x = 73,849,307.72
  5. Step 5: Solve for x
    x = 73,849,307.72/8,619.37
  6. Step 6: Final answer
    x = 8,567.84

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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.