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Finding the Fourth Proportional to 6,352.84, 8,767.20 and 3,558.40

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Solution

The fourth proportional to 6,352.84, 8,767.20 and 3,558.40 is: 4,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.84 : 8,767.20 = 3,558.40 : x
  2. Step 2: Convert to fraction form
    6,352.84/8,767.20 = 3,558.40/x
  3. Step 3: Cross multiply
    6,352.84x = 8,767.20 × 3,558.40
  4. Step 4: Simplify right side
    6,352.84x = 31,197,204.48
  5. Step 5: Solve for x
    x = 31,197,204.48/6,352.84
  6. Step 6: Final answer
    x = 4,910.75

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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.