Home / 5,527.12-8,290.68-1,367.20

Finding the Fourth Proportional to 5,527.12, 8,290.68 and 1,367.20

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Solution

The fourth proportional to 5,527.12, 8,290.68 and 1,367.20 is: 2,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.12 : 8,290.68 = 1,367.20 : x
  2. Step 2: Convert to fraction form
    5,527.12/8,290.68 = 1,367.20/x
  3. Step 3: Cross multiply
    5,527.12x = 8,290.68 × 1,367.20
  4. Step 4: Simplify right side
    5,527.12x = 11,334,996.97
  5. Step 5: Solve for x
    x = 11,334,996.97/5,527.12
  6. Step 6: Final answer
    x = 2,050.80

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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.