Home / 5,527.21-8,291.63-1,631.11

Finding the Fourth Proportional to 5,527.21, 8,291.63 and 1,631.11

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Solution

The fourth proportional to 5,527.21, 8,291.63 and 1,631.11 is: 2,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.21 : 8,291.63 = 1,631.11 : x
  2. Step 2: Convert to fraction form
    5,527.21/8,291.63 = 1,631.11/x
  3. Step 3: Cross multiply
    5,527.21x = 8,291.63 × 1,631.11
  4. Step 4: Simplify right side
    5,527.21x = 13,524,552.45
  5. Step 5: Solve for x
    x = 13,524,552.45/5,527.21
  6. Step 6: Final answer
    x = 2,446.90

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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.