Home / 6,518.30-8,992.89-4,281.38

Finding the Fourth Proportional to 6,518.30, 8,992.89 and 4,281.38

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Solution

The fourth proportional to 6,518.30, 8,992.89 and 4,281.38 is: 5,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.30 : 8,992.89 = 4,281.38 : x
  2. Step 2: Convert to fraction form
    6,518.30/8,992.89 = 4,281.38/x
  3. Step 3: Cross multiply
    6,518.30x = 8,992.89 × 4,281.38
  4. Step 4: Simplify right side
    6,518.30x = 38,501,934.42
  5. Step 5: Solve for x
    x = 38,501,934.42/6,518.30
  6. Step 6: Final answer
    x = 5,906.75

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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.