Home / 8,625.18-12,931.20-3,941.94

Finding the Fourth Proportional to 8,625.18, 12,931.20 and 3,941.94

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Solution

The fourth proportional to 8,625.18, 12,931.20 and 3,941.94 is: 5,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.18 : 12,931.20 = 3,941.94 : x
  2. Step 2: Convert to fraction form
    8,625.18/12,931.20 = 3,941.94/x
  3. Step 3: Cross multiply
    8,625.18x = 12,931.20 × 3,941.94
  4. Step 4: Simplify right side
    8,625.18x = 50,974,014.53
  5. Step 5: Solve for x
    x = 50,974,014.53/8,625.18
  6. Step 6: Final answer
    x = 5,909.91

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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.