Home / 8,242.94-12,364.98-3,312.57

Finding the Fourth Proportional to 8,242.94, 12,364.98 and 3,312.57

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Solution

The fourth proportional to 8,242.94, 12,364.98 and 3,312.57 is: 4,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.94 : 12,364.98 = 3,312.57 : x
  2. Step 2: Convert to fraction form
    8,242.94/12,364.98 = 3,312.57/x
  3. Step 3: Cross multiply
    8,242.94x = 12,364.98 × 3,312.57
  4. Step 4: Simplify right side
    8,242.94x = 40,959,861.80
  5. Step 5: Solve for x
    x = 40,959,861.80/8,242.94
  6. Step 6: Final answer
    x = 4,969.08

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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.