Home / 8,357.40-12,536.11-2,117.41

Finding the Fourth Proportional to 8,357.40, 12,536.11 and 2,117.41

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Solution

The fourth proportional to 8,357.40, 12,536.11 and 2,117.41 is: 3,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.40 : 12,536.11 = 2,117.41 : x
  2. Step 2: Convert to fraction form
    8,357.40/12,536.11 = 2,117.41/x
  3. Step 3: Cross multiply
    8,357.40x = 12,536.11 × 2,117.41
  4. Step 4: Simplify right side
    8,357.40x = 26,544,021.99
  5. Step 5: Solve for x
    x = 26,544,021.99/8,357.40
  6. Step 6: Final answer
    x = 3,176.11

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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.