Home / 8,440.27-12,646.53-2,890.58

Finding the Fourth Proportional to 8,440.27, 12,646.53 and 2,890.58

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Solution

The fourth proportional to 8,440.27, 12,646.53 and 2,890.58 is: 4,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.27 : 12,646.53 = 2,890.58 : x
  2. Step 2: Convert to fraction form
    8,440.27/12,646.53 = 2,890.58/x
  3. Step 3: Cross multiply
    8,440.27x = 12,646.53 × 2,890.58
  4. Step 4: Simplify right side
    8,440.27x = 36,555,743.45
  5. Step 5: Solve for x
    x = 36,555,743.45/8,440.27
  6. Step 6: Final answer
    x = 4,331.11

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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.