Home / 7,447.05-11,167.21-5,358.30

Finding the Fourth Proportional to 7,447.05, 11,167.21 and 5,358.30

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Solution

The fourth proportional to 7,447.05, 11,167.21 and 5,358.30 is: 8,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.05 : 11,167.21 = 5,358.30 : x
  2. Step 2: Convert to fraction form
    7,447.05/11,167.21 = 5,358.30/x
  3. Step 3: Cross multiply
    7,447.05x = 11,167.21 × 5,358.30
  4. Step 4: Simplify right side
    7,447.05x = 59,837,226.16
  5. Step 5: Solve for x
    x = 59,837,226.16/7,447.05
  6. Step 6: Final answer
    x = 8,035.02

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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.