Home / 7,012.20-10,486.31-5,234.52

Finding the Fourth Proportional to 7,012.20, 10,486.31 and 5,234.52

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Solution

The fourth proportional to 7,012.20, 10,486.31 and 5,234.52 is: 7,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.20 : 10,486.31 = 5,234.52 : x
  2. Step 2: Convert to fraction form
    7,012.20/10,486.31 = 5,234.52/x
  3. Step 3: Cross multiply
    7,012.20x = 10,486.31 × 5,234.52
  4. Step 4: Simplify right side
    7,012.20x = 54,890,799.42
  5. Step 5: Solve for x
    x = 54,890,799.42/7,012.20
  6. Step 6: Final answer
    x = 7,827.90

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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.