Home / 8,332.34-12,491.15-3,141.86

Finding the Fourth Proportional to 8,332.34, 12,491.15 and 3,141.86

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Solution

The fourth proportional to 8,332.34, 12,491.15 and 3,141.86 is: 4,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.34 : 12,491.15 = 3,141.86 : x
  2. Step 2: Convert to fraction form
    8,332.34/12,491.15 = 3,141.86/x
  3. Step 3: Cross multiply
    8,332.34x = 12,491.15 × 3,141.86
  4. Step 4: Simplify right side
    8,332.34x = 39,245,366.37
  5. Step 5: Solve for x
    x = 39,245,366.37/8,332.34
  6. Step 6: Final answer
    x = 4,710.01

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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.