Home / 7,486.90-11,234.40-3,104.80

Finding the Fourth Proportional to 7,486.90, 11,234.40 and 3,104.80

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Solution

The fourth proportional to 7,486.90, 11,234.40 and 3,104.80 is: 4,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.90 : 11,234.40 = 3,104.80 : x
  2. Step 2: Convert to fraction form
    7,486.90/11,234.40 = 3,104.80/x
  3. Step 3: Cross multiply
    7,486.90x = 11,234.40 × 3,104.80
  4. Step 4: Simplify right side
    7,486.90x = 34,880,565.12
  5. Step 5: Solve for x
    x = 34,880,565.12/7,486.90
  6. Step 6: Final answer
    x = 4,658.88

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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.