Home / 6,326.70-8,730.20-3,493.88

Finding the Fourth Proportional to 6,326.70, 8,730.20 and 3,493.88

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Solution

The fourth proportional to 6,326.70, 8,730.20 and 3,493.88 is: 4,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,326.70 : 8,730.20 = 3,493.88 : x
  2. Step 2: Convert to fraction form
    6,326.70/8,730.20 = 3,493.88/x
  3. Step 3: Cross multiply
    6,326.70x = 8,730.20 × 3,493.88
  4. Step 4: Simplify right side
    6,326.70x = 30,502,271.18
  5. Step 5: Solve for x
    x = 30,502,271.18/6,326.70
  6. Step 6: Final answer
    x = 4,821.20

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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.