Home / 7,586.90-11,376.30-3,199.40

Finding the Fourth Proportional to 7,586.90, 11,376.30 and 3,199.40

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Solution

The fourth proportional to 7,586.90, 11,376.30 and 3,199.40 is: 4,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.90 : 11,376.30 = 3,199.40 : x
  2. Step 2: Convert to fraction form
    7,586.90/11,376.30 = 3,199.40/x
  3. Step 3: Cross multiply
    7,586.90x = 11,376.30 × 3,199.40
  4. Step 4: Simplify right side
    7,586.90x = 36,397,334.22
  5. Step 5: Solve for x
    x = 36,397,334.22/7,586.90
  6. Step 6: Final answer
    x = 4,797.39

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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.