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Finding the Fourth Proportional to 6,326.58, 8,730.45 and 3,493.90

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Solution

The fourth proportional to 6,326.58, 8,730.45 and 3,493.90 is: 4,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.58 : 8,730.45 = 3,493.90 : x
  2. Step 2: Convert to fraction form
    6,326.58/8,730.45 = 3,493.90/x
  3. Step 3: Cross multiply
    6,326.58x = 8,730.45 × 3,493.90
  4. Step 4: Simplify right side
    6,326.58x = 30,503,319.26
  5. Step 5: Solve for x
    x = 30,503,319.26/6,326.58
  6. Step 6: Final answer
    x = 4,821.45

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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.