Home / 8,263.47-12,395.90-2,641.94

Finding the Fourth Proportional to 8,263.47, 12,395.90 and 2,641.94

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Solution

The fourth proportional to 8,263.47, 12,395.90 and 2,641.94 is: 3,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.47 : 12,395.90 = 2,641.94 : x
  2. Step 2: Convert to fraction form
    8,263.47/12,395.90 = 2,641.94/x
  3. Step 3: Cross multiply
    8,263.47x = 12,395.90 × 2,641.94
  4. Step 4: Simplify right side
    8,263.47x = 32,749,148.86
  5. Step 5: Solve for x
    x = 32,749,148.86/8,263.47
  6. Step 6: Final answer
    x = 3,963.12

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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.