Home / 8,911.49-13,362.73-5,214.83

Finding the Fourth Proportional to 8,911.49, 13,362.73 and 5,214.83

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Solution

The fourth proportional to 8,911.49, 13,362.73 and 5,214.83 is: 7,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.49 : 13,362.73 = 5,214.83 : x
  2. Step 2: Convert to fraction form
    8,911.49/13,362.73 = 5,214.83/x
  3. Step 3: Cross multiply
    8,911.49x = 13,362.73 × 5,214.83
  4. Step 4: Simplify right side
    8,911.49x = 69,684,285.44
  5. Step 5: Solve for x
    x = 69,684,285.44/8,911.49
  6. Step 6: Final answer
    x = 7,819.60

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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.