Home / 5,505.11-8,257.49-1,345.14

Finding the Fourth Proportional to 5,505.11, 8,257.49 and 1,345.14

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Solution

The fourth proportional to 5,505.11, 8,257.49 and 1,345.14 is: 2,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.11 : 8,257.49 = 1,345.14 : x
  2. Step 2: Convert to fraction form
    5,505.11/8,257.49 = 1,345.14/x
  3. Step 3: Cross multiply
    5,505.11x = 8,257.49 × 1,345.14
  4. Step 4: Simplify right side
    5,505.11x = 11,107,473.37
  5. Step 5: Solve for x
    x = 11,107,473.37/5,505.11
  6. Step 6: Final answer
    x = 2,017.67

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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.