Home / 8,911.11-13,362.17-5,214.45

Finding the Fourth Proportional to 8,911.11, 13,362.17 and 5,214.45

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Solution

The fourth proportional to 8,911.11, 13,362.17 and 5,214.45 is: 7,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.11 : 13,362.17 = 5,214.45 : x
  2. Step 2: Convert to fraction form
    8,911.11/13,362.17 = 5,214.45/x
  3. Step 3: Cross multiply
    8,911.11x = 13,362.17 × 5,214.45
  4. Step 4: Simplify right side
    8,911.11x = 69,676,341.28
  5. Step 5: Solve for x
    x = 69,676,341.28/8,911.11
  6. Step 6: Final answer
    x = 7,819.04

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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.