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Finding the Fourth Proportional to 6,363.97, 8,782.32 and 3,492.67

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Solution

The fourth proportional to 6,363.97, 8,782.32 and 3,492.67 is: 4,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.97 : 8,782.32 = 3,492.67 : x
  2. Step 2: Convert to fraction form
    6,363.97/8,782.32 = 3,492.67/x
  3. Step 3: Cross multiply
    6,363.97x = 8,782.32 × 3,492.67
  4. Step 4: Simplify right side
    6,363.97x = 30,673,753.20
  5. Step 5: Solve for x
    x = 30,673,753.20/6,363.97
  6. Step 6: Final answer
    x = 4,819.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.