Home / 5,527.76-8,290.56-1,631.30

Finding the Fourth Proportional to 5,527.76, 8,290.56 and 1,631.30

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Solution

The fourth proportional to 5,527.76, 8,290.56 and 1,631.30 is: 2,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.76 : 8,290.56 = 1,631.30 : x
  2. Step 2: Convert to fraction form
    5,527.76/8,290.56 = 1,631.30/x
  3. Step 3: Cross multiply
    5,527.76x = 8,290.56 × 1,631.30
  4. Step 4: Simplify right side
    5,527.76x = 13,524,390.53
  5. Step 5: Solve for x
    x = 13,524,390.53/5,527.76
  6. Step 6: Final answer
    x = 2,446.63

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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.