Home / 6,813.12-10,207.80-3,298.32

Finding the Fourth Proportional to 6,813.12, 10,207.80 and 3,298.32

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Solution

The fourth proportional to 6,813.12, 10,207.80 and 3,298.32 is: 4,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.12 : 10,207.80 = 3,298.32 : x
  2. Step 2: Convert to fraction form
    6,813.12/10,207.80 = 3,298.32/x
  3. Step 3: Cross multiply
    6,813.12x = 10,207.80 × 3,298.32
  4. Step 4: Simplify right side
    6,813.12x = 33,668,590.90
  5. Step 5: Solve for x
    x = 33,668,590.90/6,813.12
  6. Step 6: Final answer
    x = 4,941.73

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1.5x scale

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.